| Robstown to Octeville | 5,032.57 mi (8,099.15 km) |
| Robstown to Oignies | 5,195.75 mi (8,361.75 km) |
| Robstown to Oissel | 5,152.74 mi (8,292.54 km) |
| Robstown to Olivet | 5,229.89 mi (8,416.70 km) |
| Robstown to Ollioules | 5,550.26 mi (8,932.29 km) |
| Robstown to Olonne-sur-Mer | 5,111.72 mi (8,226.52 km) |
| Robstown to Oloron-Sainte-Marie | 5,259.46 mi (8,464.28 km) |
| Robstown to Onet Village | 5,367.15 mi (8,637.60 km) |
| Robstown to Onnaing | 5,222.11 mi (8,404.17 km) |
| Robstown to Orange | 5,471.54 mi (8,805.59 km) |
| Robstown to Orchies | 5,205.48 mi (8,377.42 km) |
| Robstown to Orleans | 5,229.08 mi (8,415.39 km) |
| Robstown to Orly | 5,223.71 mi (8,406.75 km) |
| Robstown to Ormesson-sur-Marne | 5,228.40 mi (8,414.30 km) |
| Robstown to Orsay | 5,216.67 mi (8,395.42 km) |
