| Duzce to Isny im Allgau | 1,142.28 mi (1,838.32 km) |
| Duzce to Isselburg | 1,390.87 mi (2,238.38 km) |
| Duzce to Issum | 1,384.65 mi (2,228.38 km) |
| Duzce to Itzehoe | 1,347.34 mi (2,168.34 km) |
| Duzce to Jena | 1,165.19 mi (1,875.20 km) |
| Duzce to Jever | 1,390.94 mi (2,238.50 km) |
| Duzce to Jork | 1,326.99 mi (2,135.58 km) |
| Duzce to Juchen | 1,370.18 mi (2,205.09 km) |
| Duzce to Julich | 1,371.53 mi (2,207.26 km) |
| Duzce to Juterbog | 1,149.97 mi (1,850.70 km) |
| Duzce to Kaarst | 1,368.51 mi (2,202.41 km) |
| Duzce to Kaiserslautern | 1,278.14 mi (2,056.97 km) |
| Duzce to Kalkar | 1,395.16 mi (2,245.30 km) |
| Duzce to Kall | 1,354.67 mi (2,180.14 km) |
| Duzce to Kaltenkirchen | 1,329.02 mi (2,138.86 km) |
