| Northampton to Nyon | 515.53 mi (829.66 km) |
| Northampton to Oberriet | 576.27 mi (927.41 km) |
| Northampton to Obersiggenthal | 523.57 mi (842.60 km) |
| Northampton to Oberwil | 497.17 mi (800.12 km) |
| Northampton to Oberwingert | 538.88 mi (867.24 km) |
| Northampton to Oftringen | 518.79 mi (834.92 km) |
| Northampton to Olten | 516.63 mi (831.44 km) |
| Northampton to Onex | 523.17 mi (841.95 km) |
| Northampton to Opfikon | 535.59 mi (861.94 km) |
| Northampton to Ostermundigen | 522.66 mi (841.14 km) |
| Northampton to Payerne | 512.42 mi (824.66 km) |
| Northampton to Pfaffikon | 546.21 mi (879.05 km) |
| Northampton to Plan-les-Ouates | 524.56 mi (844.20 km) |
| Northampton to Pratteln | 501.91 mi (807.75 km) |
| Northampton to Prilly | 517.68 mi (833.13 km) |
