| Flowing Wells to Oberkirch | 5,709.64 mi (9,188.78 km) |
| Flowing Wells to Obernburg am Main | 5,684.46 mi (9,148.25 km) |
| Flowing Wells to Obernkirchen | 5,570.81 mi (8,965.34 km) |
| Flowing Wells to Oberschleissheim | 5,839.73 mi (9,398.14 km) |
| Flowing Wells to Oberstdorf | 5,836.94 mi (9,393.64 km) |
| Flowing Wells to Obertraubling | 5,824.63 mi (9,373.83 km) |
| Flowing Wells to Obertshausen | 5,663.78 mi (9,114.98 km) |
| Flowing Wells to Oberursel | 5,649.03 mi (9,091.24 km) |
| Flowing Wells to Ochsenfurt | 5,723.69 mi (9,211.38 km) |
| Flowing Wells to Ochsenhausen | 5,794.34 mi (9,325.08 km) |
| Flowing Wells to Ochtrup | 5,512.50 mi (8,871.51 km) |
| Flowing Wells to Odenthal | 5,563.09 mi (8,952.93 km) |
| Flowing Wells to Oelde | 5,560.15 mi (8,948.19 km) |
| Flowing Wells to Oelsnitz | 5,754.20 mi (9,260.49 km) |
| Flowing Wells to Oer-Erkenschwick | 5,539.91 mi (8,915.63 km) |
