| Heiligenhafen to Octeville | 627.84 mi (1,010.41 km) |
| Heiligenhafen to Oignies | 430.86 mi (693.40 km) |
| Heiligenhafen to Oissel | 545.88 mi (878.51 km) |
| Heiligenhafen to Olivet | 596.85 mi (960.54 km) |
| Heiligenhafen to Ollioules | 810.13 mi (1,303.78 km) |
| Heiligenhafen to Olonne-sur-Mer | 777.53 mi (1,251.31 km) |
| Heiligenhafen to Oloron-Sainte-Marie | 932.75 mi (1,501.11 km) |
| Heiligenhafen to Onet Village | 786.48 mi (1,265.72 km) |
| Heiligenhafen to Onnaing | 415.27 mi (668.32 km) |
| Heiligenhafen to Orange | 759.26 mi (1,221.92 km) |
| Heiligenhafen to Orchies | 422.44 mi (679.86 km) |
| Heiligenhafen to Orleans | 594.51 mi (956.77 km) |
| Heiligenhafen to Orly | 535.34 mi (861.54 km) |
| Heiligenhafen to Ormesson-sur-Marne | 528.86 mi (851.11 km) |
| Heiligenhafen to Orsay | 543.81 mi (875.18 km) |
