| Witham to Noventa Vicentina | 670.32 mi (1,078.78 km) |
| Witham to Novi di Modena | 669.41 mi (1,077.31 km) |
| Witham to Novi Ligure | 613.12 mi (986.72 km) |
| Witham to Nuoro | 894.69 mi (1,439.87 km) |
| Witham to Occhiobello | 690.12 mi (1,110.64 km) |
| Witham to Oderzo | 679.84 mi (1,094.09 km) |
| Witham to Oggiono | 573.67 mi (923.24 km) |
| Witham to Olbia | 861.01 mi (1,385.65 km) |
| Witham to Oleggio | 561.77 mi (904.08 km) |
| Witham to Olgiate Comasco | 561.83 mi (904.18 km) |
| Witham to Olgiate Olona | 567.38 mi (913.11 km) |
| Witham to Omegna | 539.89 mi (868.87 km) |
| Witham to Opera | 590.94 mi (951.03 km) |
| Witham to Oppeano | 657.76 mi (1,058.57 km) |
| Witham to Orbassano | 565.39 mi (909.90 km) |
