| Herselt to Novi di Modena | 507.98 mi (817.52 km) |
| Herselt to Novi Ligure | 470.56 mi (757.30 km) |
| Herselt to Nuoro | 771.71 mi (1,241.95 km) |
| Herselt to Occhiobello | 524.16 mi (843.56 km) |
| Herselt to Oderzo | 503.79 mi (810.78 km) |
| Herselt to Oggiono | 417.40 mi (671.74 km) |
| Herselt to Olbia | 734.01 mi (1,181.28 km) |
| Herselt to Oleggio | 413.96 mi (666.20 km) |
| Herselt to Olgiate Comasco | 409.09 mi (658.37 km) |
| Herselt to Olgiate Olona | 416.76 mi (670.71 km) |
| Herselt to Omegna | 392.00 mi (630.87 km) |
| Herselt to Opera | 439.24 mi (706.89 km) |
| Herselt to Oppeano | 491.64 mi (791.22 km) |
| Herselt to Orbassano | 435.07 mi (700.17 km) |
| Herselt to Orbetello | 665.55 mi (1,071.10 km) |
