| Highland Springs to Octeville | 3,713.83 mi (5,976.82 km) |
| Highland Springs to Oignies | 3,889.65 mi (6,259.79 km) |
| Highland Springs to Oissel | 3,836.41 mi (6,174.11 km) |
| Highland Springs to Olivet | 3,906.51 mi (6,286.93 km) |
| Highland Springs to Ollioules | 4,211.62 mi (6,777.95 km) |
| Highland Springs to Olonne-sur-Mer | 3,776.78 mi (6,078.14 km) |
| Highland Springs to Oloron-Sainte-Marie | 3,913.33 mi (6,297.90 km) |
| Highland Springs to Onet Village | 4,028.73 mi (6,483.62 km) |
| Highland Springs to Onnaing | 3,916.56 mi (6,303.09 km) |
| Highland Springs to Orange | 4,135.26 mi (6,655.06 km) |
| Highland Springs to Orchies | 3,899.87 mi (6,276.23 km) |
| Highland Springs to Orleans | 3,905.92 mi (6,285.97 km) |
| Highland Springs to Orly | 3,905.98 mi (6,286.07 km) |
| Highland Springs to Ormesson-sur-Marne | 3,911.15 mi (6,294.39 km) |
| Highland Springs to Orsay | 3,898.35 mi (6,273.78 km) |
