| Grand Prairie to Octeville | 4,759.08 mi (7,658.99 km) |
| Grand Prairie to Oignies | 4,914.79 mi (7,909.60 km) |
| Grand Prairie to Oissel | 4,877.37 mi (7,849.37 km) |
| Grand Prairie to Olivet | 4,958.50 mi (7,979.93 km) |
| Grand Prairie to Ollioules | 5,289.46 mi (8,512.57 km) |
| Grand Prairie to Olonne-sur-Mer | 4,849.17 mi (7,803.99 km) |
| Grand Prairie to Oloron-Sainte-Marie | 5,007.61 mi (8,058.97 km) |
| Grand Prairie to Onet Village | 5,106.75 mi (8,218.52 km) |
| Grand Prairie to Onnaing | 4,940.78 mi (7,951.42 km) |
| Grand Prairie to Orange | 5,208.87 mi (8,382.87 km) |
| Grand Prairie to Orchies | 4,924.26 mi (7,924.82 km) |
| Grand Prairie to Orleans | 4,957.55 mi (7,978.40 km) |
| Grand Prairie to Orly | 4,948.87 mi (7,964.44 km) |
| Grand Prairie to Ormesson-sur-Marne | 4,953.27 mi (7,971.51 km) |
| Grand Prairie to Orsay | 4,942.21 mi (7,953.72 km) |
