| Domodossola to Octeville | 519.84 mi (836.60 km) |
| Domodossola to Oignies | 386.79 mi (622.48 km) |
| Domodossola to Oissel | 401.77 mi (646.59 km) |
| Domodossola to Olivet | 324.37 mi (522.02 km) |
| Domodossola to Ollioules | 238.18 mi (383.32 km) |
| Domodossola to Olonne-sur-Mer | 480.72 mi (773.65 km) |
| Domodossola to Oloron-Sainte-Marie | 481.31 mi (774.59 km) |
| Domodossola to Onet Village | 302.33 mi (486.56 km) |
| Domodossola to Onnaing | 365.53 mi (588.26 km) |
| Domodossola to Orange | 217.85 mi (350.60 km) |
| Domodossola to Orchies | 379.96 mi (611.48 km) |
| Domodossola to Orleans | 324.90 mi (522.88 km) |
| Domodossola to Orly | 329.96 mi (531.02 km) |
| Domodossola to Ormesson-sur-Marne | 325.85 mi (524.40 km) |
| Domodossola to Orsay | 336.43 mi (541.42 km) |
