| Great Bend to Octeville | 4,548.19 mi (7,319.60 km) |
| Great Bend to Oignies | 4,689.70 mi (7,547.35 km) |
| Great Bend to Oissel | 4,662.39 mi (7,503.40 km) |
| Great Bend to Olivet | 4,749.87 mi (7,644.17 km) |
| Great Bend to Ollioules | 5,096.37 mi (8,201.82 km) |
| Great Bend to Olonne-sur-Mer | 4,656.33 mi (7,493.64 km) |
| Great Bend to Oloron-Sainte-Marie | 4,831.17 mi (7,775.01 km) |
| Great Bend to Onet Village | 4,915.60 mi (7,910.90 km) |
| Great Bend to Onnaing | 4,714.86 mi (7,587.84 km) |
| Great Bend to Orange | 5,013.26 mi (8,068.06 km) |
| Great Bend to Orchies | 4,698.61 mi (7,561.69 km) |
| Great Bend to Orleans | 4,748.69 mi (7,642.27 km) |
| Great Bend to Orly | 4,734.35 mi (7,619.21 km) |
| Great Bend to Ormesson-sur-Marne | 4,738.20 mi (7,625.39 km) |
| Great Bend to Orsay | 4,728.39 mi (7,609.61 km) |
