| Seaham to Rury | 1,016.39 mi (1,635.72 km) |
| Seaham to Rybnik | 895.69 mi (1,441.47 km) |
| Seaham to Ryki | 982.66 mi (1,581.44 km) |
| Seaham to Rypin | 850.87 mi (1,369.34 km) |
| Seaham to Rzeszow | 1,031.98 mi (1,660.81 km) |
| Seaham to Sandomierz | 1,001.98 mi (1,612.53 km) |
| Seaham to Sanok | 1,056.40 mi (1,700.11 km) |
| Seaham to Sedziszow Malopolski | 1,019.13 mi (1,640.12 km) |
| Seaham to Sepolno Krajenskie | 767.31 mi (1,234.87 km) |
| Seaham to Sidlice | 796.92 mi (1,282.52 km) |
| Seaham to Siechnice | 810.79 mi (1,304.84 km) |
| Seaham to Siedlce | 982.84 mi (1,581.72 km) |
| Seaham to Siemianowice Slaskie | 906.23 mi (1,458.43 km) |
| Seaham to Siemiatycze | 1,000.25 mi (1,609.75 km) |
| Seaham to Sieradz | 857.40 mi (1,379.85 km) |
