| Welling to Noventa Vicentina | 674.71 mi (1,085.84 km) |
| Welling to Novi di Modena | 671.81 mi (1,081.18 km) |
| Welling to Novi Ligure | 611.13 mi (983.53 km) |
| Welling to Nuoro | 886.95 mi (1,427.40 km) |
| Welling to Occhiobello | 693.75 mi (1,116.49 km) |
| Welling to Oderzo | 686.92 mi (1,105.48 km) |
| Welling to Oggiono | 575.32 mi (925.88 km) |
| Welling to Olbia | 854.22 mi (1,374.74 km) |
| Welling to Oleggio | 561.43 mi (903.53 km) |
| Welling to Olgiate Comasco | 562.68 mi (905.55 km) |
| Welling to Olgiate Olona | 567.66 mi (913.57 km) |
| Welling to Omegna | 539.77 mi (868.68 km) |
| Welling to Opera | 591.30 mi (951.60 km) |
| Welling to Oppeano | 661.60 mi (1,064.74 km) |
| Welling to Orbassano | 561.16 mi (903.10 km) |
