| Hamina to Obernburg am Main | 1,021.17 mi (1,643.41 km) |
| Hamina to Obernkirchen | 892.88 mi (1,436.95 km) |
| Hamina to Oberschleissheim | 1,052.30 mi (1,693.52 km) |
| Hamina to Oberstdorf | 1,132.59 mi (1,822.72 km) |
| Hamina to Obertraubling | 995.77 mi (1,602.54 km) |
| Hamina to Obertshausen | 1,016.94 mi (1,636.60 km) |
| Hamina to Oberursel | 1,016.46 mi (1,635.83 km) |
| Hamina to Ochsenfurt | 1,007.59 mi (1,621.55 km) |
| Hamina to Ochsenhausen | 1,101.43 mi (1,772.58 km) |
| Hamina to Ochtrup | 952.53 mi (1,532.94 km) |
| Hamina to Odenthal | 1,013.63 mi (1,631.28 km) |
| Hamina to Oelde | 942.80 mi (1,517.28 km) |
| Hamina to Oelsnitz | 911.09 mi (1,466.26 km) |
| Hamina to Oer-Erkenschwick | 978.71 mi (1,575.08 km) |
| Hamina to Oerlinghausen | 921.08 mi (1,482.33 km) |
