| Niederkassel to Lenart v Slovenskih Goricah | 496.40 mi (798.88 km) |
| Niederkassel to Lendava | 519.88 mi (836.66 km) |
| Niederkassel to Litija | 484.28 mi (779.37 km) |
| Niederkassel to Ljubljana | 474.70 mi (763.96 km) |
| Niederkassel to Ljubno | 471.89 mi (759.43 km) |
| Niederkassel to Ljutomer | 512.57 mi (824.90 km) |
| Niederkassel to Logatec | 472.59 mi (760.56 km) |
| Niederkassel to Lovrenc na Pohorju | 481.74 mi (775.29 km) |
| Niederkassel to Luce | 467.70 mi (752.69 km) |
| Niederkassel to Lukovica | 474.98 mi (764.40 km) |
| Niederkassel to Majsperk | 502.81 mi (809.19 km) |
| Niederkassel to Makole | 501.91 mi (807.74 km) |
| Niederkassel to Maribor | 490.32 mi (789.09 km) |
| Niederkassel to Markovci | 507.92 mi (817.43 km) |
| Niederkassel to Medvode | 467.34 mi (752.10 km) |
