| Ardmore to Octeville | 4,688.23 mi (7,544.98 km) |
| Ardmore to Oignies | 4,840.95 mi (7,790.76 km) |
| Ardmore to Oissel | 4,805.72 mi (7,734.05 km) |
| Ardmore to Olivet | 4,888.31 mi (7,866.97 km) |
| Ardmore to Ollioules | 5,223.00 mi (8,405.60 km) |
| Ardmore to Olonne-sur-Mer | 4,782.42 mi (7,696.56 km) |
| Ardmore to Oloron-Sainte-Marie | 4,944.70 mi (7,957.72 km) |
| Ardmore to Onet Village | 5,040.58 mi (8,112.03 km) |
| Ardmore to Onnaing | 4,866.78 mi (7,832.32 km) |
| Ardmore to Orange | 5,141.78 mi (8,274.89 km) |
| Ardmore to Orchies | 4,850.30 mi (7,805.80 km) |
| Ardmore to Orleans | 4,887.31 mi (7,865.36 km) |
| Ardmore to Orly | 4,877.38 mi (7,849.38 km) |
| Ardmore to Ormesson-sur-Marne | 4,881.65 mi (7,856.26 km) |
| Ardmore to Orsay | 4,870.86 mi (7,838.90 km) |
