| Berkhampstead to Noventa Vicentina | 710.15 mi (1,142.88 km) |
| Berkhampstead to Novi di Modena | 707.24 mi (1,138.20 km) |
| Berkhampstead to Novi Ligure | 646.11 mi (1,039.81 km) |
| Berkhampstead to Nuoro | 920.24 mi (1,480.98 km) |
| Berkhampstead to Occhiobello | 729.21 mi (1,173.55 km) |
| Berkhampstead to Oderzo | 722.18 mi (1,162.23 km) |
| Berkhampstead to Oggiono | 610.72 mi (982.86 km) |
| Berkhampstead to Olbia | 887.87 mi (1,428.89 km) |
| Berkhampstead to Oleggio | 596.66 mi (960.23 km) |
| Berkhampstead to Olgiate Comasco | 598.03 mi (962.44 km) |
| Berkhampstead to Olgiate Olona | 602.96 mi (970.37 km) |
| Berkhampstead to Omegna | 575.03 mi (925.43 km) |
| Berkhampstead to Opera | 626.60 mi (1,008.41 km) |
| Berkhampstead to Oppeano | 697.06 mi (1,121.80 km) |
| Berkhampstead to Orbassano | 595.68 mi (958.66 km) |
