| Hjorring to Oignies | 559.89 mi (901.06 km) |
| Hjorring to Oissel | 668.86 mi (1,076.43 km) |
| Hjorring to Olivet | 743.52 mi (1,196.58 km) |
| Hjorring to Ollioules | 1,005.92 mi (1,618.87 km) |
| Hjorring to Olonne-sur-Mer | 902.78 mi (1,452.89 km) |
| Hjorring to Oloron-Sainte-Marie | 1,087.98 mi (1,750.94 km) |
| Hjorring to Onet Village | 959.15 mi (1,543.60 km) |
| Hjorring to Onnaing | 553.03 mi (890.02 km) |
| Hjorring to Orange | 947.30 mi (1,524.53 km) |
| Hjorring to Orchies | 554.51 mi (892.39 km) |
| Hjorring to Orleans | 740.93 mi (1,192.41 km) |
| Hjorring to Orly | 678.79 mi (1,092.41 km) |
| Hjorring to Ormesson-sur-Marne | 673.41 mi (1,083.76 km) |
| Hjorring to Orsay | 685.59 mi (1,103.36 km) |
| Hjorring to Orthez | 1,072.16 mi (1,725.48 km) |
