| Hwlffordd to Noventa Vicentina | 876.06 mi (1,409.88 km) |
| Hwlffordd to Novi di Modena | 868.28 mi (1,397.36 km) |
| Hwlffordd to Novi Ligure | 795.76 mi (1,280.65 km) |
| Hwlffordd to Nuoro | 1,044.92 mi (1,681.64 km) |
| Hwlffordd to Occhiobello | 893.11 mi (1,437.32 km) |
| Hwlffordd to Oderzo | 893.98 mi (1,438.73 km) |
| Hwlffordd to Oggiono | 771.05 mi (1,240.89 km) |
| Hwlffordd to Olbia | 1,016.88 mi (1,636.51 km) |
| Hwlffordd to Oleggio | 751.97 mi (1,210.19 km) |
| Hwlffordd to Olgiate Comasco | 756.51 mi (1,217.49 km) |
| Hwlffordd to Olgiate Olona | 759.86 mi (1,222.87 km) |
| Hwlffordd to Omegna | 731.37 mi (1,177.02 km) |
| Hwlffordd to Opera | 783.29 mi (1,260.59 km) |
| Hwlffordd to Oppeano | 861.78 mi (1,386.90 km) |
| Hwlffordd to Orbassano | 739.46 mi (1,190.05 km) |
