| Northampton to Isny im Allgau | 577.43 mi (929.28 km) |
| Northampton to Isselburg | 313.94 mi (505.24 km) |
| Northampton to Issum | 315.57 mi (507.85 km) |
| Northampton to Itzehoe | 447.21 mi (719.72 km) |
| Northampton to Jena | 542.66 mi (873.32 km) |
| Northampton to Jever | 377.83 mi (608.05 km) |
| Northampton to Jork | 449.60 mi (723.57 km) |
| Northampton to Juchen | 326.24 mi (525.03 km) |
| Northampton to Julich | 324.09 mi (521.58 km) |
| Northampton to Juterbog | 591.94 mi (952.63 km) |
| Northampton to Kaarst | 328.83 mi (529.20 km) |
| Northampton to Kaiserslautern | 423.79 mi (682.03 km) |
| Northampton to Kalkar | 307.55 mi (494.95 km) |
| Northampton to Kall | 341.10 mi (548.95 km) |
| Northampton to Kaltenkirchen | 463.96 mi (746.67 km) |
