| Karlovac to Imielin | 363.45 mi (584.91 km) |
| Karlovac to Inowroclaw | 519.61 mi (836.24 km) |
| Karlovac to Janow Lubelski | 480.36 mi (773.06 km) |
| Karlovac to Jarocin | 456.65 mi (734.90 km) |
| Karlovac to Jaroslaw | 455.58 mi (733.18 km) |
| Karlovac to Jasien | 626.26 mi (1,007.88 km) |
| Karlovac to Jaslo | 403.34 mi (649.11 km) |
| Karlovac to Jastrzebie-Zdroj | 339.23 mi (545.94 km) |
| Karlovac to Jawor | 385.78 mi (620.85 km) |
| Karlovac to Jaworzno | 368.89 mi (593.67 km) |
| Karlovac to Jedrzejow | 417.81 mi (672.40 km) |
| Karlovac to Jelcz-Laskowice | 392.11 mi (631.04 km) |
| Karlovac to Jelenia Gora | 374.58 mi (602.83 km) |
| Karlovac to Jozefoslaw | 520.82 mi (838.19 km) |
| Karlovac to Jozefow | 526.87 mi (847.91 km) |
