| Northampton to Illzach | 477.41 mi (768.32 km) |
| Northampton to Ingre | 321.19 mi (516.90 km) |
| Northampton to Irigny | 521.67 mi (839.55 km) |
| Northampton to Isbergues | 182.08 mi (293.03 km) |
| Northampton to Issoire | 498.63 mi (802.47 km) |
| Northampton to Issoudun | 387.12 mi (623.01 km) |
| Northampton to Issy-les-Moulineaux | 273.27 mi (439.78 km) |
| Northampton to Istres | 660.49 mi (1,062.96 km) |
| Northampton to Ivry-sur-Seine | 276.59 mi (445.13 km) |
| Northampton to Jarville-la-Malgrange | 397.32 mi (639.42 km) |
| Northampton to Jeumont | 253.95 mi (408.70 km) |
| Northampton to Joigny | 349.59 mi (562.62 km) |
| Northampton to Joinville-le-Pont | 278.04 mi (447.47 km) |
| Northampton to Joue-les-Tours | 344.16 mi (553.87 km) |
| Northampton to Jouy-le-Moutier | 256.87 mi (413.40 km) |
