| Niederkassel to Suchanino | 542.99 mi (873.87 km) |
| Niederkassel to Sulechow | 379.56 mi (610.85 km) |
| Niederkassel to Sulecin | 364.01 mi (585.81 km) |
| Niederkassel to Sulejowek | 619.21 mi (996.52 km) |
| Niederkassel to Suwalki | 704.79 mi (1,134.25 km) |
| Niederkassel to Swarzedz | 444.10 mi (714.71 km) |
| Niederkassel to Swidnica | 412.10 mi (663.21 km) |
| Niederkassel to Swidnik | 680.24 mi (1,094.74 km) |
| Niederkassel to Swidwin | 421.70 mi (678.66 km) |
| Niederkassel to Swiebodzice | 405.51 mi (652.60 km) |
| Niederkassel to Swiecie | 515.25 mi (829.22 km) |
| Niederkassel to Swiedbodzin | 378.26 mi (608.76 km) |
| Niederkassel to Swietochlowice | 522.40 mi (840.72 km) |
| Niederkassel to Swinoujscie | 371.97 mi (598.63 km) |
| Niederkassel to Sycow | 465.03 mi (748.40 km) |
