| Niederkassel to Matulji | 504.27 mi (811.55 km) |
| Niederkassel to Metkovic | 732.65 mi (1,179.09 km) |
| Niederkassel to Nedelisce | 525.05 mi (844.99 km) |
| Niederkassel to Nova Gradiska | 612.71 mi (986.06 km) |
| Niederkassel to Novi Marof | 532.79 mi (857.44 km) |
| Niederkassel to Ogulin | 538.11 mi (866.01 km) |
| Niederkassel to Opatija | 505.56 mi (813.62 km) |
| Niederkassel to Osijek | 647.44 mi (1,041.95 km) |
| Niederkassel to Otocac | 559.35 mi (900.18 km) |
| Niederkassel to Pazin | 499.75 mi (804.28 km) |
| Niederkassel to Petrinja | 564.71 mi (908.82 km) |
| Niederkassel to Popovaca | 570.70 mi (918.46 km) |
| Niederkassel to Pozega | 619.34 mi (996.74 km) |
| Niederkassel to Pula | 517.80 mi (833.32 km) |
| Niederkassel to Rijeka | 510.21 mi (821.10 km) |
