| Seini to Rury | 243.64 mi (392.11 km) |
| Seini to Rybnik | 268.74 mi (432.50 km) |
| Seini to Ryki | 275.17 mi (442.84 km) |
| Seini to Rypin | 404.31 mi (650.67 km) |
| Seini to Rzeszow | 168.36 mi (270.94 km) |
| Seini to Sandomierz | 214.32 mi (344.92 km) |
| Seini to Sanok | 133.73 mi (215.22 km) |
| Seini to Sedziszow Malopolski | 175.64 mi (282.67 km) |
| Seini to Sepolno Krajenskie | 467.56 mi (752.47 km) |
| Seini to Sidlice | 498.75 mi (802.67 km) |
| Seini to Siechnice | 357.15 mi (574.78 km) |
| Seini to Siedlce | 308.50 mi (496.48 km) |
| Seini to Siemianowice Slaskie | 261.60 mi (421.00 km) |
| Seini to Siemiatycze | 323.86 mi (521.20 km) |
| Seini to Sieradz | 334.47 mi (538.28 km) |
