| Niederkassel to Hodos | 503.96 mi (811.04 km) |
| Niederkassel to Horjul | 469.34 mi (755.33 km) |
| Niederkassel to Hrastnik | 491.77 mi (791.43 km) |
| Niederkassel to Hrib-Loski Potok | 495.24 mi (797.01 km) |
| Niederkassel to Idrija | 461.72 mi (743.06 km) |
| Niederkassel to Ig | 479.93 mi (772.38 km) |
| Niederkassel to Ilirska Bistrica | 491.57 mi (791.11 km) |
| Niederkassel to Ivancna Gorica | 490.23 mi (788.94 km) |
| Niederkassel to Izola | 475.67 mi (765.52 km) |
| Niederkassel to Jesenice | 440.74 mi (709.30 km) |
| Niederkassel to Jurovski Dol | 492.96 mi (793.34 km) |
| Niederkassel to Jursinci | 505.40 mi (813.36 km) |
| Niederkassel to Kamnik | 469.57 mi (755.71 km) |
| Niederkassel to Kanal | 444.92 mi (716.03 km) |
| Niederkassel to Kidricevo | 502.63 mi (808.90 km) |
