| Triangle to Octeville | 3,670.47 mi (5,907.05 km) |
| Triangle to Oignies | 3,844.29 mi (6,186.79 km) |
| Triangle to Oissel | 3,792.70 mi (6,103.76 km) |
| Triangle to Olivet | 3,864.16 mi (6,218.76 km) |
| Triangle to Ollioules | 4,172.91 mi (6,715.64 km) |
| Triangle to Olonne-sur-Mer | 3,736.92 mi (6,013.99 km) |
| Triangle to Oloron-Sainte-Marie | 3,876.88 mi (6,239.23 km) |
| Triangle to Onet Village | 3,989.89 mi (6,421.11 km) |
| Triangle to Onnaing | 3,871.13 mi (6,229.99 km) |
| Triangle to Orange | 4,095.89 mi (6,591.70 km) |
| Triangle to Orchies | 3,854.44 mi (6,203.12 km) |
| Triangle to Orleans | 3,863.52 mi (6,217.74 km) |
| Triangle to Orly | 3,862.56 mi (6,216.19 km) |
| Triangle to Ormesson-sur-Marne | 3,867.65 mi (6,224.38 km) |
| Triangle to Orsay | 3,855.03 mi (6,204.07 km) |
