| Sint-Martens-Lennik to Novi di Modena | 513.89 mi (827.02 km) |
| Sint-Martens-Lennik to Novi Ligure | 469.38 mi (755.39 km) |
| Sint-Martens-Lennik to Nuoro | 766.02 mi (1,232.78 km) |
| Sint-Martens-Lennik to Occhiobello | 532.03 mi (856.22 km) |
| Sint-Martens-Lennik to Oderzo | 516.50 mi (831.22 km) |
| Sint-Martens-Lennik to Oggiono | 420.82 mi (677.25 km) |
| Sint-Martens-Lennik to Olbia | 729.29 mi (1,173.69 km) |
| Sint-Martens-Lennik to Oleggio | 414.20 mi (666.60 km) |
| Sint-Martens-Lennik to Olgiate Comasco | 411.11 mi (661.61 km) |
| Sint-Martens-Lennik to Olgiate Olona | 418.04 mi (672.77 km) |
| Sint-Martens-Lennik to Omegna | 392.11 mi (631.04 km) |
| Sint-Martens-Lennik to Opera | 441.06 mi (709.82 km) |
| Sint-Martens-Lennik to Oppeano | 499.48 mi (803.84 km) |
| Sint-Martens-Lennik to Orbassano | 429.76 mi (691.64 km) |
| Sint-Martens-Lennik to Orbetello | 667.14 mi (1,073.66 km) |
