| Barrhead to Sesimbra | 1,218.85 mi (1,961.55 km) |
| Barrhead to Setubal | 1,211.67 mi (1,950.00 km) |
| Barrhead to Sever do Vouga | 1,056.59 mi (1,700.41 km) |
| Barrhead to Silves | 1,299.91 mi (2,092.00 km) |
| Barrhead to Sines | 1,250.40 mi (2,012.32 km) |
| Barrhead to Sintra | 1,197.07 mi (1,926.49 km) |
| Barrhead to Sobrado de Paiva | 1,035.32 mi (1,666.18 km) |
| Barrhead to Sobral de Monte Agraco | 1,180.09 mi (1,899.18 km) |
| Barrhead to Soure | 1,105.37 mi (1,778.91 km) |
| Barrhead to Tabua | 1,079.62 mi (1,737.49 km) |
| Barrhead to Tavira | 1,299.90 mi (2,091.98 km) |
| Barrhead to Tomar | 1,134.46 mi (1,825.73 km) |
| Barrhead to Tondela | 1,069.30 mi (1,720.87 km) |
| Barrhead to Torre de Moncorvo | 1,016.42 mi (1,635.77 km) |
| Barrhead to Torres Novas | 1,144.45 mi (1,841.82 km) |
