| Harrow Weald to Isny im Allgau | 536.52 mi (863.45 km) |
| Harrow Weald to Isselburg | 291.64 mi (469.35 km) |
| Harrow Weald to Issum | 290.35 mi (467.27 km) |
| Harrow Weald to Itzehoe | 441.68 mi (710.81 km) |
| Harrow Weald to Jena | 517.09 mi (832.17 km) |
| Harrow Weald to Jever | 371.43 mi (597.76 km) |
| Harrow Weald to Jork | 441.01 mi (709.74 km) |
| Harrow Weald to Juchen | 297.11 mi (478.15 km) |
| Harrow Weald to Julich | 293.25 mi (471.95 km) |
| Harrow Weald to Juterbog | 572.89 mi (921.98 km) |
| Harrow Weald to Kaarst | 300.84 mi (484.16 km) |
| Harrow Weald to Kaiserslautern | 385.87 mi (620.99 km) |
| Harrow Weald to Kalkar | 284.21 mi (457.39 km) |
| Harrow Weald to Kall | 307.65 mi (495.12 km) |
| Harrow Weald to Kaltenkirchen | 457.35 mi (736.04 km) |
