| Seia to Rury | 1,619.68 mi (2,606.62 km) |
| Seia to Rybnik | 1,430.38 mi (2,301.98 km) |
| Seia to Ryki | 1,603.28 mi (2,580.23 km) |
| Seia to Rypin | 1,539.49 mi (2,477.56 km) |
| Seia to Rzeszow | 1,576.86 mi (2,537.72 km) |
| Seia to Sandomierz | 1,577.32 mi (2,538.45 km) |
| Seia to Sanok | 1,578.90 mi (2,541.00 km) |
| Seia to Sedziszow Malopolski | 1,564.48 mi (2,517.78 km) |
| Seia to Sepolno Krajenskie | 1,479.17 mi (2,380.50 km) |
| Seia to Sidlice | 1,547.01 mi (2,489.67 km) |
| Seia to Siechnice | 1,395.06 mi (2,245.14 km) |
| Seia to Siedlce | 1,628.10 mi (2,620.18 km) |
| Seia to Siemianowice Slaskie | 1,452.80 mi (2,338.05 km) |
| Seia to Siemiatycze | 1,657.43 mi (2,667.38 km) |
| Seia to Sieradz | 1,473.53 mi (2,371.42 km) |
