| Celtik to Octeville | 1,788.64 mi (2,878.54 km) |
| Celtik to Oignies | 1,604.67 mi (2,582.47 km) |
| Celtik to Oissel | 1,664.55 mi (2,678.84 km) |
| Celtik to Olivet | 1,606.39 mi (2,585.23 km) |
| Celtik to Ollioules | 1,374.89 mi (2,212.67 km) |
| Celtik to Olonne-sur-Mer | 1,764.33 mi (2,839.42 km) |
| Celtik to Oloron-Sainte-Marie | 1,700.05 mi (2,735.97 km) |
| Celtik to Onet Village | 1,541.98 mi (2,481.57 km) |
| Celtik to Onnaing | 1,577.67 mi (2,539.01 km) |
| Celtik to Orange | 1,431.44 mi (2,303.68 km) |
| Celtik to Orchies | 1,594.35 mi (2,565.85 km) |
| Celtik to Orleans | 1,606.53 mi (2,585.46 km) |
| Celtik to Orly | 1,597.49 mi (2,570.91 km) |
| Celtik to Ormesson-sur-Marne | 1,591.75 mi (2,561.68 km) |
| Celtik to Orsay | 1,605.84 mi (2,584.35 km) |
