| Name | Type | IATA | ICAO | City |
|---|---|---|---|---|
| Odo Dam Heliport | Heliport | - | JP-0798 |
Niyodogawa |
| Oe Airfield | Closed Airport | - | JP-2176 |
Nagoya |
| Ogachi Central Hospital Helipad | Heliport | - | JP-0479 |
Yuzawa |
| Ogakicho Heliport | Heliport | - | JP-2234 |
Etajima |
| Ogaki Municipal Hospital Heliport | Heliport | - | JP-1613 |
Ogaki |
| Ogaki Tokushukai Hospital Helipad | Heliport | - | JP-1614 |
Ogaki |
| Ogata Auxiliary Airfield | Closed Airport | - | JP-0869 |
Ogata |
| Ogata Heliport | Heliport | - | JP-0870 |
Ogata |
| Ogawa Heliport | Heliport | - | JP-2670 |
Kitaibaraki |
| Ogawara Plateau Heliport | Heliport | - | JP-3585 |
Sanagōchi |
| Ogi Airfield | Closed Airport | - | JP-1373 |
Ogi |
| Ogura Heliport | Heliport | - | JP-1980 |
Wakayama |
| Ogura Iron Works Tatebayashi Factory Helipad | Heliport | - | JP-3471 |
Tatebayashi |
| Ogurayama Paraglider Launch | Small Airport | - | JP-3253 |
Omachi |
| Ohara Airfield | Closed Airport | - | JP-1972 |
Etajima |
| Ohara General Hospital Helipad | Heliport | - | JP-0486 |
Fukushima |
| Ohara Heliport | Heliport | - | JP-1154 |
Taketomi |
| Ohchi Hospital Helipad | Heliport | - | JP-0668 |
Onan |
| Ohinata Heliport | Heliport | - | JP-2657 |
Nanmoku |
| Ohsugo Heliport | Heliport | - | JP-2460 |
Aizuwakamatsu |
| Oi Airfield | Closed Airport | - | JP-1935 |
Makinohara |
| Oita Airfield | Closed Airport | - | JP-1208 |
Oita |
| Oita Airport | Medium Airport Scheduled | OIT | RJFO |
Oita |
| Oita Prefectural (Oitakenou) Airport | Small Airport | - | JP-0007 |
Bungo-ono |
| Oita University Hospital Heliport | Heliport | - | JP-0502 |
Yufu |
| OIT Umeda Tower Helipad | Heliport | - | JP-1481 |
Osaka |
| Oiwake Airfield | Closed Airport | - | JP-2112 |
Suzuka |
| Oji Asakayama The First Tower & Residence Heliport | Heliport | - | JP-3494 |
Kita, Tokyo |
| Ojika Airport | Small Airport | - | RJDO |
Ojika |
| Ojikakogen Station Plaza Emergency Helipad | Heliport | - | JP-1590 |
Nikko |
| Ojima Airfield | Closed Airport | - | JP-1820 |
Kumagaya |
| Ojima R/C Skyport | Small Airport | - | JP-0449 |
Ota |
| Ojiya Emergency Heliport | Heliport | - | JP-3420 |
Ojiya |
| Ojojihara Airfield | Closed Airport | - | JP-1270 |
Ohira |
| Okanouchi Heliport | Heliport | - | JP-0767 |
Kami |
| Okawa Dam Heliport | Heliport | - | JP-3461 |
Aizuwakamatsu |
| Okawamine Heliport | Heliport | - | JP-3118 |
Kumakogen |
| Okawara Helipad | Heliport | - | JP-2575 |
Oshika |
| Okawauchi Regional Heliport | Heliport | - | JP-1251 |
Shiiba |
| Ōkawazu Heliport | Heliport | - | JP-3419 |
Tsubame |
| Okayama Airfield | Closed Airport | - | JP-2404 |
Yame |
| Okayama City Health and Welfare Hall Helipad | Heliport | - | JP-1943 |
Okayama |
| Okayama City Hospital Heliport | Heliport | - | JP-3151 |
Okayama |
| Okayama Convention Center Helipad | Heliport | - | JP-1850 |
Okayama |
| Okayama Lit City Building Helipad | Heliport | - | JP-1851 |
Okayama |
| Okayama Momotaro Airport | Medium Airport Scheduled | OKJ | RJOB |
Okayama |
| Okayama Number 2 Joint Government Building Helipad | Heliport | - | JP-1852 |
Okayama |
| Okayama Prefectural Government Office Heliport | Heliport | - | JP-3361 |
Okayama |
| Okayama Red Cross Hospital Heliport | Heliport | - | JP-0389 |
Okayama |
| Okayama Saiseikai General Hospital Helipad | Heliport | - | JP-1572 |
Okayama |
| Okayama Saiseikai Outpatient Center Hospital Heliport | Heliport | - | JP-1010 |
Okayama |
| Okayama University Hospital Heliport | Heliport | - | JP-1573 |
Okayama |
| Okazaki Airfield | Closed Airport | - | JP-1673 |
Okazaki |
| Okazaki Gliderport | Small Airport | - | JP-0112 |
Okazaki |
| Okazaki Municipal Hospital Helipad | Heliport | - | JP-1672 |
Okazaki |
| Okazaki Service Area Heliport | Heliport | - | JP-2223 |
Okazaki |
| Oki Global Geopark Airport | Medium Airport Scheduled | OKI | RJNO |
Okinoshima |
| Okinawa Prefectural Yaeyama Hospital Heliport | Heliport | - | JP-3595 |
Ishigaki |
| Okinoerabu Airport | Medium Airport Scheduled | OKE | RJKB |
Wadomari |
| Okinoshima Heliport | Heliport | - | JP-0778 |
Sukumo |
| Okitsu Heliport | Heliport | - | JP-0789 |
Shimanto Town |
| Okubo Airfield | Closed Airport | - | JP-2108 |
Uji |
| Okudo-cho Disaster Prevention Station Helipad | Heliport | - | JP-0412 |
Ashikaga |
| Okueigenji Keiryunosato Rest Area Emergency Heliport | Heliport | - | JP-2508 |
Higashiomi |
| Oku Heliport | Heliport | - | JP-3243 |
Ikata |
| Okuizumo Heliport | Heliport | - | JP-0672 |
Okuizumo |
| Okuma Airfield | Closed Airport | - | JP-2589 |
Kunigami |
| Okumashu Heliport | Heliport | - | JP-3032 |
Teshikaga |
| Okumeiji Emergency Heliport | Heliport | - | JP-3570 |
Yabu |
| Oku-Mikawa Sogo Center Heliport | Heliport | - | JP-0662 |
Shitara |
| Okura Prestige Tower Helipad | Heliport | - | JP-3271 |
Minato, Tokyo |
| Okusa Castle Park Helipad | Heliport | - | JP-2962 |
Nakagawa |
| Okushi Heliport | Heliport | - | JP-2511 |
Osakikamijima |
| Okushiri Airport | Medium Airport Scheduled | OIR | RJEO |
Okushiri Island |
| Okushiritou Sub Base JASDF Helipad | Heliport | - | JP-0015 |
Okushiritou |
| Okutama Fire Heliport | Heliport | - | JP-0968 |
Okutama |
| Old Sogo Yokohama Helipad | Closed Airport | - | JP-0838 |
Yokohama |
| Olinas Tower Heliport | Heliport | - | JP-3464 |
Sumida, Tokyo |
| Omaezaki Municipal Hospital Heliport | Heliport | - | JP-2458 |
Omaezaki |
| Ome Municipal General Hospital Helipad | Heliport | - | JP-0988 |
Ome |
| Omihachiman Municipal Medical Center Heliport | Heliport | - | JP-2415 |
Omihachiman |
| Omihachiman Ultralightport | Closed Airport | - | JP-0884 |
Omihachiman |
| Omi Heliport | Heliport | - | JP-2654 |
Omi |
| Omiya Emergency Heliport | Heliport | - | JP-0782 |
Shimanto City |
| Omiya First Place Tower Helipad | Heliport | - | JP-3144 |
Saitama |
| Omogo Heliport | Heliport | - | JP-3290 |
Kumakogen |
| Omori Bell Port Helipad | Heliport | - | JP-2699 |
Shinagawa, Tokyo |
| Onahama Helipad | Closed Airport | - | JP-0594 |
Iwaki |
| Onishi Private Airfield | Closed Airport | - | JP-3593 |
Ora |
| Onoda Kusunoki Corporate Park Helibase | Heliport | - | JP-3027 |
Sanyoonoda |
| Onogahara Heliport | Heliport | - | JP-3304 |
Seiyo |
| Ono Gliderport | Small Airport | - | JP-0423 |
Ono |
| Onohara Airfield | Closed Airport | - | JP-2202 |
Mooka |
| Ono Heliport | Heliport | - | JP-3086 |
Niyodogawa |
| Onomichi City Fire Department Heliport | Heliport | - | JP-3345 |
Onomichi |
| Onomichi Seaplane Base | Seaplane Base | - | JP-2544 |
Onomichi |
| Ono Pharmaceutical Head Office Helipad | Heliport | - | JP-2951 |
Osaka |
| Optage Building Helipad | Heliport | - | JP-1649 |
Osaka |
| Orc 200 Helipad | Heliport | - | JP-1962 |
Osaka |
| Orc Prior Tower Helipad | Heliport | - | JP-1963 |
Osaka |