| Southend to Santa Ursula | 1,828.70 mi (2,943.00 km) |
| Southend to Santander | 596.89 mi (960.61 km) |
| Southend to Santany | 850.64 mi (1,368.97 km) |
| Southend to Santiago de Compostela | 738.80 mi (1,188.99 km) |
| Southend to Santiago del Teide | 1,844.98 mi (2,969.21 km) |
| Southend to Santiponce | 1,029.37 mi (1,656.62 km) |
| Southend to Santomera | 935.86 mi (1,506.12 km) |
| Southend to Santona | 592.82 mi (954.05 km) |
| Southend to Santurce-Antiguo | 594.02 mi (955.99 km) |
| Southend to Sarria | 714.99 mi (1,150.67 km) |
| Southend to Sauzal | 1,823.86 mi (2,935.21 km) |
| Southend to Sedavi | 839.26 mi (1,350.66 km) |
| Southend to Segorbe | 810.30 mi (1,304.05 km) |
| Southend to Segovia | 767.55 mi (1,235.26 km) |
| Southend to Senmanat | 690.18 mi (1,110.73 km) |
