| Crikvenica to Oignies | 653.25 mi (1,051.30 km) |
| Crikvenica to Oissel | 698.49 mi (1,124.11 km) |
| Crikvenica to Olivet | 635.18 mi (1,022.22 km) |
| Crikvenica to Ollioules | 460.69 mi (741.41 km) |
| Crikvenica to Olonne-sur-Mer | 796.65 mi (1,282.08 km) |
| Crikvenica to Oloron-Sainte-Marie | 769.47 mi (1,238.34 km) |
| Crikvenica to Onet Village | 595.91 mi (959.03 km) |
| Crikvenica to Onnaing | 627.41 mi (1,009.71 km) |
| Crikvenica to Orange | 491.07 mi (790.30 km) |
| Crikvenica to Orchies | 643.88 mi (1,036.22 km) |
| Crikvenica to Orleans | 635.37 mi (1,022.53 km) |
| Crikvenica to Orly | 629.39 mi (1,012.90 km) |
| Crikvenica to Ormesson-sur-Marne | 624.04 mi (1,004.29 km) |
| Crikvenica to Orsay | 637.31 mi (1,025.65 km) |
| Crikvenica to Orthez | 772.25 mi (1,242.81 km) |
