| Merksem to Novi di Modena | 530.03 mi (853.00 km) |
| Merksem to Novi Ligure | 490.72 mi (789.73 km) |
| Merksem to Nuoro | 790.41 mi (1,272.04 km) |
| Merksem to Occhiobello | 546.60 mi (879.66 km) |
| Merksem to Oderzo | 526.89 mi (847.95 km) |
| Merksem to Oggiono | 438.82 mi (706.22 km) |
| Merksem to Olbia | 753.07 mi (1,211.95 km) |
| Merksem to Oleggio | 434.51 mi (699.28 km) |
| Merksem to Olgiate Comasco | 430.14 mi (692.25 km) |
| Merksem to Olgiate Olona | 437.61 mi (704.27 km) |
| Merksem to Omegna | 412.49 mi (663.84 km) |
| Merksem to Opera | 460.26 mi (740.72 km) |
| Merksem to Oppeano | 514.06 mi (827.30 km) |
| Merksem to Orbassano | 453.76 mi (730.26 km) |
| Merksem to Orbetello | 686.61 mi (1,104.99 km) |
