| Colwyn Bay to Isny im Allgau | 715.36 mi (1,151.27 km) |
| Colwyn Bay to Isselburg | 438.32 mi (705.40 km) |
| Colwyn Bay to Issum | 443.03 mi (712.99 km) |
| Colwyn Bay to Itzehoe | 542.77 mi (873.51 km) |
| Colwyn Bay to Jena | 667.46 mi (1,074.18 km) |
| Colwyn Bay to Jever | 477.41 mi (768.32 km) |
| Colwyn Bay to Jork | 550.55 mi (886.03 km) |
| Colwyn Bay to Juchen | 457.28 mi (735.92 km) |
| Colwyn Bay to Julich | 456.64 mi (734.88 km) |
| Colwyn Bay to Juterbog | 707.23 mi (1,138.17 km) |
| Colwyn Bay to Kaarst | 458.79 mi (738.35 km) |
| Colwyn Bay to Kaiserslautern | 560.65 mi (902.27 km) |
| Colwyn Bay to Kalkar | 433.21 mi (697.19 km) |
| Colwyn Bay to Kall | 475.50 mi (765.24 km) |
| Colwyn Bay to Kaltenkirchen | 560.97 mi (902.79 km) |
