| Amersham to Noventa Vicentina | 708.47 mi (1,140.17 km) |
| Amersham to Novi di Modena | 705.23 mi (1,134.95 km) |
| Amersham to Novi Ligure | 643.40 mi (1,035.45 km) |
| Amersham to Nuoro | 916.58 mi (1,475.09 km) |
| Amersham to Occhiobello | 727.39 mi (1,170.62 km) |
| Amersham to Oderzo | 720.96 mi (1,160.27 km) |
| Amersham to Oggiono | 608.60 mi (979.45 km) |
| Amersham to Olbia | 884.36 mi (1,423.25 km) |
| Amersham to Oleggio | 594.23 mi (956.32 km) |
| Amersham to Olgiate Comasco | 595.79 mi (958.83 km) |
| Amersham to Olgiate Olona | 600.63 mi (966.61 km) |
| Amersham to Omegna | 572.65 mi (921.58 km) |
| Amersham to Opera | 624.27 mi (1,004.66 km) |
| Amersham to Oppeano | 695.28 mi (1,118.95 km) |
| Amersham to Orbassano | 592.64 mi (953.76 km) |
