| Bolton to Noventa Vicentina | 847.04 mi (1,363.17 km) |
| Bolton to Novi di Modena | 846.93 mi (1,362.99 km) |
| Bolton to Novi Ligure | 790.52 mi (1,272.22 km) |
| Bolton to Nuoro | 1,068.02 mi (1,718.81 km) |
| Bolton to Occhiobello | 867.19 mi (1,395.61 km) |
| Bolton to Oderzo | 854.56 mi (1,375.28 km) |
| Bolton to Oggiono | 751.38 mi (1,209.23 km) |
| Bolton to Olbia | 1,035.36 mi (1,666.25 km) |
| Bolton to Oleggio | 739.51 mi (1,190.13 km) |
| Bolton to Olgiate Comasco | 739.62 mi (1,190.30 km) |
| Bolton to Olgiate Olona | 745.17 mi (1,199.23 km) |
| Bolton to Omegna | 717.65 mi (1,154.95 km) |
| Bolton to Opera | 768.73 mi (1,237.16 km) |
| Bolton to Oppeano | 834.76 mi (1,343.42 km) |
| Bolton to Orbassano | 741.73 mi (1,193.69 km) |
