| Seaham to Sycow | 825.06 mi (1,327.80 km) |
| Seaham to Szamotuly | 746.75 mi (1,201.78 km) |
| Seaham to Szczecin | 649.00 mi (1,044.46 km) |
| Seaham to Szczecinek | 729.14 mi (1,173.44 km) |
| Seaham to Szczytno | 902.56 mi (1,452.54 km) |
| Seaham to Szprotawa | 731.90 mi (1,177.88 km) |
| Seaham to Sztum | 819.36 mi (1,318.64 km) |
| Seaham to Szubin | 784.23 mi (1,262.10 km) |
| Seaham to Szydlowiec | 950.50 mi (1,529.69 km) |
| Seaham to Tarnobrzeg | 1,002.35 mi (1,613.13 km) |
| Seaham to Tarnow | 992.99 mi (1,598.07 km) |
| Seaham to Tarnowskie Gory | 895.81 mi (1,441.67 km) |
| Seaham to Tczew | 807.55 mi (1,299.62 km) |
| Seaham to Tomaszow Lubelski | 1,074.86 mi (1,729.81 km) |
| Seaham to Tomaszow Mazowiecki | 909.74 mi (1,464.09 km) |
