| Ascot to Octeville | 130.29 mi (209.68 km) |
| Ascot to Oignies | 172.21 mi (277.14 km) |
| Ascot to Oissel | 162.52 mi (261.55 km) |
| Ascot to Olivet | 270.54 mi (435.39 km) |
| Ascot to Ollioules | 647.29 mi (1,041.72 km) |
| Ascot to Olonne-sur-Mer | 340.32 mi (547.70 km) |
| Ascot to Oloron-Sainte-Marie | 567.55 mi (913.39 km) |
| Ascot to Onet Village | 509.44 mi (819.86 km) |
| Ascot to Onnaing | 198.90 mi (320.10 km) |
| Ascot to Orange | 562.72 mi (905.61 km) |
| Ascot to Orchies | 182.21 mi (293.24 km) |
| Ascot to Orleans | 268.27 mi (431.74 km) |
| Ascot to Orly | 228.75 mi (368.13 km) |
| Ascot to Ormesson-sur-Marne | 230.31 mi (370.65 km) |
| Ascot to Orsay | 226.11 mi (363.90 km) |
