| Slovenj Gradec to Isny im Allgau | 250.66 mi (403.41 km) |
| Slovenj Gradec to Isselburg | 534.75 mi (860.59 km) |
| Slovenj Gradec to Issum | 523.35 mi (842.25 km) |
| Slovenj Gradec to Itzehoe | 567.92 mi (913.97 km) |
| Slovenj Gradec to Jena | 344.18 mi (553.91 km) |
| Slovenj Gradec to Jever | 582.23 mi (937.01 km) |
| Slovenj Gradec to Jork | 540.93 mi (870.54 km) |
| Slovenj Gradec to Juchen | 502.44 mi (808.60 km) |
| Slovenj Gradec to Julich | 500.46 mi (805.42 km) |
| Slovenj Gradec to Juterbog | 389.52 mi (626.86 km) |
| Slovenj Gradec to Kaarst | 503.17 mi (809.77 km) |
| Slovenj Gradec to Kaiserslautern | 394.03 mi (634.12 km) |
| Slovenj Gradec to Kalkar | 536.36 mi (863.18 km) |
| Slovenj Gradec to Kall | 479.35 mi (771.45 km) |
| Slovenj Gradec to Kaltenkirchen | 554.47 mi (892.33 km) |
