| Crofton to Oberkirch | 4,059.66 mi (6,533.39 km) |
| Crofton to Obernburg am Main | 4,064.58 mi (6,541.31 km) |
| Crofton to Obernkirchen | 3,994.39 mi (6,428.35 km) |
| Crofton to Oberschleissheim | 4,211.64 mi (6,777.97 km) |
| Crofton to Oberstdorf | 4,185.02 mi (6,735.15 km) |
| Crofton to Obertraubling | 4,213.29 mi (6,780.63 km) |
| Crofton to Obertshausen | 4,045.56 mi (6,510.69 km) |
| Crofton to Oberursel | 4,031.30 mi (6,487.75 km) |
| Crofton to Ochsenfurt | 4,107.53 mi (6,610.43 km) |
| Crofton to Ochsenhausen | 4,150.68 mi (6,679.87 km) |
| Crofton to Ochtrup | 3,921.03 mi (6,310.28 km) |
| Crofton to Odenthal | 3,949.56 mi (6,356.21 km) |
| Crofton to Oelde | 3,968.63 mi (6,386.89 km) |
| Crofton to Oelsnitz | 4,167.81 mi (6,707.45 km) |
| Crofton to Oer-Erkenschwick | 3,938.43 mi (6,338.29 km) |
