| Waltham Cross to Noventa Vicentina | 688.72 mi (1,108.39 km) |
| Waltham Cross to Novi di Modena | 686.36 mi (1,104.59 km) |
| Waltham Cross to Novi Ligure | 626.67 mi (1,008.52 km) |
| Waltham Cross to Nuoro | 903.40 mi (1,453.88 km) |
| Waltham Cross to Occhiobello | 707.98 mi (1,139.39 km) |
| Waltham Cross to Oderzo | 700.12 mi (1,126.73 km) |
| Waltham Cross to Oggiono | 590.04 mi (949.57 km) |
| Waltham Cross to Olbia | 870.56 mi (1,401.03 km) |
| Waltham Cross to Oleggio | 576.61 mi (927.96 km) |
| Waltham Cross to Olgiate Comasco | 577.59 mi (929.54 km) |
| Waltham Cross to Olgiate Olona | 582.70 mi (937.77 km) |
| Waltham Cross to Omegna | 554.89 mi (893.02 km) |
| Waltham Cross to Opera | 606.33 mi (975.79 km) |
| Waltham Cross to Oppeano | 675.77 mi (1,087.54 km) |
| Waltham Cross to Orbassano | 577.08 mi (928.73 km) |
