| Aberystwyth to Isny im Allgau | 704.64 mi (1,134.01 km) |
| Aberystwyth to Isselburg | 448.83 mi (722.33 km) |
| Aberystwyth to Issum | 450.74 mi (725.40 km) |
| Aberystwyth to Itzehoe | 571.84 mi (920.28 km) |
| Aberystwyth to Jena | 677.77 mi (1,090.77 km) |
| Aberystwyth to Jever | 504.07 mi (811.22 km) |
| Aberystwyth to Jork | 576.90 mi (928.42 km) |
| Aberystwyth to Juchen | 461.16 mi (742.16 km) |
| Aberystwyth to Julich | 458.63 mi (738.10 km) |
| Aberystwyth to Juterbog | 725.24 mi (1,167.16 km) |
| Aberystwyth to Kaarst | 463.91 mi (746.59 km) |
| Aberystwyth to Kaiserslautern | 554.51 mi (892.40 km) |
| Aberystwyth to Kalkar | 442.59 mi (712.28 km) |
| Aberystwyth to Kall | 474.72 mi (763.98 km) |
| Aberystwyth to Kaltenkirchen | 589.40 mi (948.55 km) |
