| Thetford to Oberkirch | 419.20 mi (674.63 km) |
| Thetford to Obernburg am Main | 404.96 mi (651.72 km) |
| Thetford to Obernkirchen | 353.62 mi (569.09 km) |
| Thetford to Oberschleissheim | 556.52 mi (895.63 km) |
| Thetford to Oberstdorf | 546.52 mi (879.53 km) |
| Thetford to Obertraubling | 553.10 mi (890.13 km) |
| Thetford to Obertshausen | 385.44 mi (620.30 km) |
| Thetford to Oberursel | 371.00 mi (597.07 km) |
| Thetford to Ochsenfurt | 447.46 mi (720.12 km) |
| Thetford to Ochsenhausen | 504.74 mi (812.30 km) |
| Thetford to Ochtrup | 272.77 mi (438.98 km) |
| Thetford to Odenthal | 288.92 mi (464.97 km) |
| Thetford to Oelde | 316.72 mi (509.71 km) |
| Thetford to Oelsnitz | 510.69 mi (821.88 km) |
| Thetford to Oer-Erkenschwick | 281.73 mi (453.40 km) |
