| Belvidere to Octeville | 3,981.22 mi (6,407.15 km) |
| Belvidere to Oignies | 4,130.27 mi (6,647.03 km) |
| Belvidere to Oissel | 4,097.55 mi (6,594.36 km) |
| Belvidere to Olivet | 4,182.06 mi (6,730.37 km) |
| Belvidere to Ollioules | 4,522.45 mi (7,278.17 km) |
| Belvidere to Olonne-sur-Mer | 4,081.85 mi (6,569.11 km) |
| Belvidere to Oloron-Sainte-Marie | 4,251.50 mi (6,842.13 km) |
| Belvidere to Onet Village | 4,340.77 mi (6,985.80 km) |
| Belvidere to Onnaing | 4,155.93 mi (6,688.32 km) |
| Belvidere to Orange | 4,440.21 mi (7,145.82 km) |
| Belvidere to Orchies | 4,139.50 mi (6,661.89 km) |
| Belvidere to Orleans | 4,180.99 mi (6,728.65 km) |
| Belvidere to Orly | 4,169.36 mi (6,709.93 km) |
| Belvidere to Ormesson-sur-Marne | 4,173.48 mi (6,716.56 km) |
| Belvidere to Orsay | 4,163.04 mi (6,699.77 km) |
