| Frederikshavn to Oignies | 570.23 mi (917.69 km) |
| Frederikshavn to Oissel | 680.20 mi (1,094.68 km) |
| Frederikshavn to Olivet | 752.85 mi (1,211.59 km) |
| Frederikshavn to Ollioules | 1,008.98 mi (1,623.79 km) |
| Frederikshavn to Olonne-sur-Mer | 914.52 mi (1,471.77 km) |
| Frederikshavn to Oloron-Sainte-Marie | 1,096.99 mi (1,765.44 km) |
| Frederikshavn to Onet Village | 965.85 mi (1,554.39 km) |
| Frederikshavn to Onnaing | 562.52 mi (905.29 km) |
| Frederikshavn to Orange | 951.70 mi (1,531.61 km) |
| Frederikshavn to Orchies | 564.53 mi (908.53 km) |
| Frederikshavn to Orleans | 750.27 mi (1,207.45 km) |
| Frederikshavn to Orly | 688.25 mi (1,107.64 km) |
| Frederikshavn to Ormesson-sur-Marne | 682.75 mi (1,098.77 km) |
| Frederikshavn to Orsay | 695.24 mi (1,118.88 km) |
| Frederikshavn to Orthez | 1,081.44 mi (1,740.41 km) |
