| Ommen to Octeville | 402.54 mi (647.82 km) |
| Ommen to Oignies | 204.16 mi (328.56 km) |
| Ommen to Oissel | 319.06 mi (513.48 km) |
| Ommen to Olivet | 378.32 mi (608.85 km) |
| Ommen to Ollioules | 648.44 mi (1,043.57 km) |
| Ommen to Olonne-sur-Mer | 552.17 mi (888.63 km) |
| Ommen to Oloron-Sainte-Marie | 720.94 mi (1,160.24 km) |
| Ommen to Onet Village | 589.60 mi (948.87 km) |
| Ommen to Onnaing | 190.66 mi (306.84 km) |
| Ommen to Orange | 583.54 mi (939.12 km) |
| Ommen to Orchies | 196.25 mi (315.84 km) |
| Ommen to Orleans | 375.82 mi (604.83 km) |
| Ommen to Orly | 314.62 mi (506.33 km) |
| Ommen to Ormesson-sur-Marne | 308.64 mi (496.70 km) |
| Ommen to Orsay | 322.37 mi (518.80 km) |
