| Southampton to Noventa Vicentina | 710.65 mi (1,143.68 km) |
| Southampton to Novi di Modena | 703.72 mi (1,132.54 km) |
| Southampton to Novi Ligure | 634.22 mi (1,020.68 km) |
| Southampton to Nuoro | 894.83 mi (1,440.10 km) |
| Southampton to Occhiobello | 728.03 mi (1,171.65 km) |
| Southampton to Oderzo | 728.11 mi (1,171.78 km) |
| Southampton to Oggiono | 606.50 mi (976.07 km) |
| Southampton to Olbia | 864.57 mi (1,391.39 km) |
| Southampton to Oleggio | 588.60 mi (947.26 km) |
| Southampton to Olgiate Comasco | 592.35 mi (953.29 km) |
| Southampton to Olgiate Olona | 596.09 mi (959.31 km) |
| Southampton to Omegna | 567.67 mi (913.58 km) |
| Southampton to Opera | 619.63 mi (997.19 km) |
| Southampton to Oppeano | 696.53 mi (1,120.96 km) |
| Southampton to Orbassano | 579.81 mi (933.12 km) |
