| Mechelen to Novi di Modena | 517.15 mi (832.27 km) |
| Mechelen to Novi Ligure | 476.63 mi (767.06 km) |
| Mechelen to Nuoro | 775.83 mi (1,248.57 km) |
| Mechelen to Occhiobello | 534.15 mi (859.63 km) |
| Mechelen to Oderzo | 515.67 mi (829.89 km) |
| Mechelen to Oggiono | 425.45 mi (684.69 km) |
| Mechelen to Olbia | 738.58 mi (1,188.63 km) |
| Mechelen to Oleggio | 420.61 mi (676.91 km) |
| Mechelen to Olgiate Comasco | 416.52 mi (670.33 km) |
| Mechelen to Olgiate Olona | 423.87 mi (682.16 km) |
| Mechelen to Omegna | 398.57 mi (641.44 km) |
| Mechelen to Opera | 446.61 mi (718.75 km) |
| Mechelen to Oppeano | 501.60 mi (807.24 km) |
| Mechelen to Orbassano | 439.20 mi (706.83 km) |
| Mechelen to Orbetello | 672.95 mi (1,083.00 km) |
