| Kos to Rybnik | 1,011.09 mi (1,627.20 km) |
| Kos to Ryki | 1,053.87 mi (1,696.04 km) |
| Kos to Rypin | 1,181.64 mi (1,901.66 km) |
| Kos to Rzeszow | 947.35 mi (1,524.62 km) |
| Kos to Sandomierz | 993.47 mi (1,598.84 km) |
| Kos to Sanok | 912.60 mi (1,468.70 km) |
| Kos to Sedziszow Malopolski | 953.74 mi (1,534.90 km) |
| Kos to Sepolno Krajenskie | 1,237.92 mi (1,992.24 km) |
| Kos to Sidlice | 1,276.42 mi (2,054.20 km) |
| Kos to Siechnice | 1,098.69 mi (1,768.17 km) |
| Kos to Siedlce | 1,085.39 mi (1,746.77 km) |
| Kos to Siemianowice Slaskie | 1,013.88 mi (1,631.69 km) |
| Kos to Siemiatycze | 1,097.01 mi (1,765.46 km) |
| Kos to Sieradz | 1,100.51 mi (1,771.10 km) |
| Kos to Sierpc | 1,166.54 mi (1,877.37 km) |
