| Cluj-Napoca to Isny im Allgau | 637.85 mi (1,026.51 km) |
| Cluj-Napoca to Isselburg | 844.27 mi (1,358.71 km) |
| Cluj-Napoca to Issum | 840.07 mi (1,351.97 km) |
| Cluj-Napoca to Itzehoe | 790.87 mi (1,272.79 km) |
| Cluj-Napoca to Jena | 615.58 mi (990.68 km) |
| Cluj-Napoca to Jever | 835.54 mi (1,344.67 km) |
| Cluj-Napoca to Jork | 770.73 mi (1,240.36 km) |
| Cluj-Napoca to Juchen | 828.77 mi (1,333.78 km) |
| Cluj-Napoca to Julich | 831.83 mi (1,338.70 km) |
| Cluj-Napoca to Juterbog | 593.96 mi (955.89 km) |
| Cluj-Napoca to Kaarst | 826.00 mi (1,329.32 km) |
| Cluj-Napoca to Kaiserslautern | 751.18 mi (1,208.91 km) |
| Cluj-Napoca to Kalkar | 849.43 mi (1,367.02 km) |
| Cluj-Napoca to Kall | 817.98 mi (1,316.42 km) |
| Cluj-Napoca to Kaltenkirchen | 772.53 mi (1,243.27 km) |
