| Grootegast to Sestao | 805.35 mi (1,296.09 km) |
| Grootegast to Sevilla | 1,251.06 mi (2,013.39 km) |
| Grootegast to Sevilla La Nueva | 1,011.89 mi (1,628.47 km) |
| Grootegast to Silla | 1,008.13 mi (1,622.42 km) |
| Grootegast to Silleda | 985.83 mi (1,586.55 km) |
| Grootegast to Sitges | 853.76 mi (1,373.99 km) |
| Grootegast to Socuellamos | 1,053.26 mi (1,695.07 km) |
| Grootegast to Soller | 944.50 mi (1,520.02 km) |
| Grootegast to Solsona | 806.08 mi (1,297.26 km) |
| Grootegast to Son Servera | 949.44 mi (1,527.98 km) |
| Grootegast to Sonseca | 1,050.87 mi (1,691.22 km) |
| Grootegast to Sopelana | 800.44 mi (1,288.18 km) |
| Grootegast to Soria | 888.83 mi (1,430.44 km) |
| Grootegast to Suances | 824.21 mi (1,326.44 km) |
| Grootegast to Sueca | 1,017.26 mi (1,637.11 km) |
