| Seini to Sycow | 350.22 mi (563.63 km) |
| Seini to Szamotuly | 447.23 mi (719.74 km) |
| Seini to Szczecin | 548.02 mi (881.96 km) |
| Seini to Szczecinek | 502.96 mi (809.44 km) |
| Seini to Szczytno | 414.44 mi (666.98 km) |
| Seini to Szprotawa | 435.33 mi (700.59 km) |
| Seini to Sztum | 464.97 mi (748.29 km) |
| Seini to Szubin | 437.89 mi (704.72 km) |
| Seini to Szydlowiec | 264.43 mi (425.56 km) |
| Seini to Tarnobrzeg | 208.84 mi (336.10 km) |
| Seini to Tarnow | 188.06 mi (302.66 km) |
| Seini to Tarnowskie Gory | 273.46 mi (440.09 km) |
| Seini to Tczew | 479.44 mi (771.58 km) |
| Seini to Tomaszow Lubelski | 186.80 mi (300.62 km) |
| Seini to Tomaszow Mazowiecki | 298.60 mi (480.56 km) |
