| Northampton to Noventa Vicentina | 740.39 mi (1,191.55 km) |
| Northampton to Novi di Modena | 738.49 mi (1,188.48 km) |
| Northampton to Novi Ligure | 679.18 mi (1,093.03 km) |
| Northampton to Nuoro | 955.06 mi (1,537.01 km) |
| Northampton to Occhiobello | 759.85 mi (1,222.86 km) |
| Northampton to Oderzo | 750.88 mi (1,208.43 km) |
| Northampton to Oggiono | 642.28 mi (1,033.65 km) |
| Northampton to Olbia | 922.47 mi (1,484.58 km) |
| Northampton to Oleggio | 629.07 mi (1,012.39 km) |
| Northampton to Olgiate Comasco | 629.94 mi (1,013.79 km) |
| Northampton to Olgiate Olona | 635.12 mi (1,022.12 km) |
| Northampton to Omegna | 607.34 mi (977.42 km) |
| Northampton to Opera | 658.74 mi (1,060.13 km) |
| Northampton to Oppeano | 727.58 mi (1,170.93 km) |
| Northampton to Orbassano | 629.48 mi (1,013.05 km) |
