| Towcester to Isny im Allgau | 577.75 mi (929.80 km) |
| Towcester to Isselburg | 317.85 mi (511.52 km) |
| Towcester to Issum | 319.01 mi (513.39 km) |
| Towcester to Itzehoe | 453.38 mi (729.65 km) |
| Towcester to Jena | 546.21 mi (879.05 km) |
| Towcester to Jever | 383.86 mi (617.76 km) |
| Towcester to Jork | 455.45 mi (732.97 km) |
| Towcester to Juchen | 329.02 mi (529.50 km) |
| Towcester to Julich | 326.56 mi (525.54 km) |
| Towcester to Juterbog | 596.52 mi (960.01 km) |
| Towcester to Kaarst | 331.82 mi (534.01 km) |
| Towcester to Kaiserslautern | 424.83 mi (683.71 km) |
| Towcester to Kalkar | 311.28 mi (500.96 km) |
| Towcester to Kall | 343.07 mi (552.12 km) |
| Towcester to Kaltenkirchen | 470.03 mi (756.43 km) |
