| Huntingdon to Oerlinghausen | 375.33 mi (604.03 km) |
| Huntingdon to Oestrich-Winkel | 388.81 mi (625.72 km) |
| Huntingdon to Offenburg | 445.55 mi (717.04 km) |
| Huntingdon to Oftersheim | 433.04 mi (696.91 km) |
| Huntingdon to Ohrdruf | 479.13 mi (771.09 km) |
| Huntingdon to Ohringen | 474.43 mi (763.53 km) |
| Huntingdon to Olbernhau | 591.27 mi (951.56 km) |
| Huntingdon to Olching | 581.38 mi (935.64 km) |
| Huntingdon to Oldenburg | 354.98 mi (571.28 km) |
| Huntingdon to Oldenburg in Holstein | 475.46 mi (765.17 km) |
| Huntingdon to Olfen | 323.87 mi (521.22 km) |
| Huntingdon to Olpe | 354.68 mi (570.80 km) |
| Huntingdon to Olsberg | 375.45 mi (604.23 km) |
| Huntingdon to Oranienburg | 563.32 mi (906.58 km) |
| Huntingdon to Ortenberg | 420.71 mi (677.07 km) |
