| Durham to Sesimbra | 1,182.01 mi (1,902.27 km) |
| Durham to Setubal | 1,173.78 mi (1,889.02 km) |
| Durham to Sever do Vouga | 1,019.12 mi (1,640.12 km) |
| Durham to Silves | 1,257.74 mi (2,024.14 km) |
| Durham to Sines | 1,211.54 mi (1,949.78 km) |
| Durham to Sintra | 1,162.43 mi (1,870.75 km) |
| Durham to Sobrado de Paiva | 997.75 mi (1,605.73 km) |
| Durham to Sobral de Monte Agraco | 1,144.46 mi (1,841.82 km) |
| Durham to Soure | 1,068.36 mi (1,719.37 km) |
| Durham to Tabua | 1,039.43 mi (1,672.80 km) |
| Durham to Tavira | 1,253.43 mi (2,017.20 km) |
| Durham to Tomar | 1,095.42 mi (1,762.92 km) |
| Durham to Tondela | 1,029.69 mi (1,657.12 km) |
| Durham to Torre de Moncorvo | 971.85 mi (1,564.04 km) |
| Durham to Torres Novas | 1,105.91 mi (1,779.78 km) |
