| Backa Topola to Octeville | 1,019.55 mi (1,640.82 km) |
| Backa Topola to Oignies | 829.48 mi (1,334.92 km) |
| Backa Topola to Oissel | 895.28 mi (1,440.82 km) |
| Backa Topola to Olivet | 847.98 mi (1,364.70 km) |
| Backa Topola to Ollioules | 703.37 mi (1,131.97 km) |
| Backa Topola to Olonne-sur-Mer | 1,022.19 mi (1,645.06 km) |
| Backa Topola to Oloron-Sainte-Marie | 1,010.82 mi (1,626.76 km) |
| Backa Topola to Onet Village | 835.58 mi (1,344.73 km) |
| Backa Topola to Onnaing | 802.38 mi (1,291.30 km) |
| Backa Topola to Orange | 732.63 mi (1,179.06 km) |
| Backa Topola to Orchies | 819.03 mi (1,318.10 km) |
| Backa Topola to Orleans | 847.74 mi (1,364.30 km) |
| Backa Topola to Orly | 831.06 mi (1,337.47 km) |
| Backa Topola to Ormesson-sur-Marne | 824.89 mi (1,327.53 km) |
| Backa Topola to Orsay | 839.94 mi (1,351.75 km) |
