| Muscle Shoals to Octeville | 4,275.20 mi (6,880.27 km) |
| Muscle Shoals to Oignies | 4,441.98 mi (7,148.68 km) |
| Muscle Shoals to Oissel | 4,396.09 mi (7,074.82 km) |
| Muscle Shoals to Olivet | 4,471.53 mi (7,196.23 km) |
| Muscle Shoals to Ollioules | 4,789.01 mi (7,707.17 km) |
| Muscle Shoals to Olonne-sur-Mer | 4,350.92 mi (7,002.13 km) |
| Muscle Shoals to Oloron-Sainte-Marie | 4,497.50 mi (7,238.02 km) |
| Muscle Shoals to Onet Village | 4,605.89 mi (7,412.46 km) |
| Muscle Shoals to Onnaing | 4,468.53 mi (7,191.41 km) |
| Muscle Shoals to Orange | 4,710.63 mi (7,581.03 km) |
| Muscle Shoals to Orchies | 4,451.87 mi (7,164.60 km) |
| Muscle Shoals to Orleans | 4,470.77 mi (7,195.01 km) |
| Muscle Shoals to Orly | 4,466.75 mi (7,188.54 km) |
| Muscle Shoals to Ormesson-sur-Marne | 4,471.57 mi (7,196.29 km) |
| Muscle Shoals to Orsay | 4,459.55 mi (7,176.96 km) |
