| Port Wentworth to Octeville | 4,121.42 mi (6,632.78 km) |
| Port Wentworth to Oignies | 4,301.83 mi (6,923.13 km) |
| Port Wentworth to Oissel | 4,244.74 mi (6,831.25 km) |
| Port Wentworth to Olivet | 4,311.35 mi (6,938.45 km) |
| Port Wentworth to Ollioules | 4,605.96 mi (7,412.57 km) |
| Port Wentworth to Olonne-sur-Mer | 4,175.09 mi (6,719.17 km) |
| Port Wentworth to Oloron-Sainte-Marie | 4,301.42 mi (6,922.47 km) |
| Port Wentworth to Onet Village | 4,423.75 mi (7,119.33 km) |
| Port Wentworth to Onnaing | 4,328.86 mi (6,966.63 km) |
| Port Wentworth to Orange | 4,531.62 mi (7,292.94 km) |
| Port Wentworth to Orchies | 4,312.19 mi (6,939.80 km) |
| Port Wentworth to Orleans | 4,310.87 mi (6,937.68 km) |
| Port Wentworth to Orly | 4,313.52 mi (6,941.93 km) |
| Port Wentworth to Ormesson-sur-Marne | 4,318.88 mi (6,950.57 km) |
| Port Wentworth to Orsay | 4,305.63 mi (6,929.25 km) |
