| Steenokkerzeel to Novi di Modena | 510.45 mi (821.50 km) |
| Steenokkerzeel to Novi Ligure | 469.35 mi (755.35 km) |
| Steenokkerzeel to Nuoro | 768.33 mi (1,236.51 km) |
| Steenokkerzeel to Occhiobello | 527.66 mi (849.19 km) |
| Steenokkerzeel to Oderzo | 509.80 mi (820.45 km) |
| Steenokkerzeel to Oggiono | 418.52 mi (673.54 km) |
| Steenokkerzeel to Olbia | 731.12 mi (1,176.62 km) |
| Steenokkerzeel to Oleggio | 413.44 mi (665.36 km) |
| Steenokkerzeel to Olgiate Comasco | 409.48 mi (658.99 km) |
| Steenokkerzeel to Olgiate Olona | 416.77 mi (670.73 km) |
| Steenokkerzeel to Omegna | 391.39 mi (629.87 km) |
| Steenokkerzeel to Opera | 439.55 mi (707.39 km) |
| Steenokkerzeel to Oppeano | 495.11 mi (796.80 km) |
| Steenokkerzeel to Orbassano | 431.72 mi (694.79 km) |
| Steenokkerzeel to Orbetello | 665.87 mi (1,071.61 km) |
