| Merate to Octeville | 581.67 mi (936.11 km) |
| Merate to Oignies | 443.44 mi (713.65 km) |
| Merate to Oissel | 463.08 mi (745.25 km) |
| Merate to Olivet | 386.28 mi (621.65 km) |
| Merate to Ollioules | 250.20 mi (402.65 km) |
| Merate to Olonne-sur-Mer | 539.34 mi (867.98 km) |
| Merate to Oloron-Sainte-Marie | 524.18 mi (843.59 km) |
| Merate to Onet Village | 346.34 mi (557.38 km) |
| Merate to Onnaing | 421.11 mi (677.72 km) |
| Merate to Orange | 250.58 mi (403.26 km) |
| Merate to Orchies | 436.08 mi (701.80 km) |
| Merate to Orleans | 386.83 mi (622.54 km) |
| Merate to Orly | 391.40 mi (629.89 km) |
| Merate to Ormesson-sur-Marne | 387.14 mi (623.04 km) |
| Merate to Orsay | 398.02 mi (640.55 km) |
