| Oppegard to Octeville | 857.02 mi (1,379.24 km) |
| Oppegard to Oignies | 712.89 mi (1,147.28 km) |
| Oppegard to Oissel | 818.03 mi (1,316.49 km) |
| Oppegard to Olivet | 898.55 mi (1,446.07 km) |
| Oppegard to Ollioules | 1,169.33 mi (1,881.86 km) |
| Oppegard to Olonne-sur-Mer | 1,049.46 mi (1,688.94 km) |
| Oppegard to Oloron-Sainte-Marie | 1,243.14 mi (2,000.65 km) |
| Oppegard to Onet Village | 1,119.28 mi (1,801.30 km) |
| Oppegard to Onnaing | 708.34 mi (1,139.96 km) |
| Oppegard to Orange | 1,110.07 mi (1,786.48 km) |
| Oppegard to Orchies | 708.39 mi (1,140.05 km) |
| Oppegard to Orleans | 895.91 mi (1,441.82 km) |
| Oppegard to Orly | 833.67 mi (1,341.67 km) |
| Oppegard to Ormesson-sur-Marne | 828.64 mi (1,333.57 km) |
| Oppegard to Orsay | 839.95 mi (1,351.77 km) |
