| Seaham to Sabadell | 931.70 mi (1,499.43 km) |
| Seaham to Sabinanigo | 852.47 mi (1,371.91 km) |
| Seaham to Sagunto | 1,048.87 mi (1,687.99 km) |
| Seaham to Salamanca | 978.89 mi (1,575.38 km) |
| Seaham to Salobrena | 1,254.64 mi (2,019.15 km) |
| Seaham to Salou | 957.45 mi (1,540.87 km) |
| Seaham to Salt | 908.35 mi (1,461.84 km) |
| Seaham to Salvatierra de Mino | 939.29 mi (1,511.64 km) |
| Seaham to Sama | 820.81 mi (1,320.97 km) |
| Seaham to San Adrian de Besos | 940.61 mi (1,513.77 km) |
| Seaham to San Agustin de Guadalix | 984.05 mi (1,583.67 km) |
| Seaham to San Andres de la Barca | 937.59 mi (1,508.91 km) |
| Seaham to San Andres de Llevaneras | 933.03 mi (1,501.57 km) |
| Seaham to San Andres del Rabanedo | 866.17 mi (1,393.96 km) |
| Seaham to San Bartolome | 1,991.87 mi (3,205.61 km) |
