| Delfzijl to Sestao | 827.36 mi (1,331.50 km) |
| Delfzijl to Sevilla | 1,272.26 mi (2,047.51 km) |
| Delfzijl to Sevilla La Nueva | 1,033.01 mi (1,662.48 km) |
| Delfzijl to Silla | 1,025.33 mi (1,650.11 km) |
| Delfzijl to Silleda | 1,010.86 mi (1,626.82 km) |
| Delfzijl to Sitges | 869.08 mi (1,398.66 km) |
| Delfzijl to Socuellamos | 1,072.81 mi (1,726.52 km) |
| Delfzijl to Soller | 958.10 mi (1,541.92 km) |
| Delfzijl to Solsona | 822.14 mi (1,323.11 km) |
| Delfzijl to Son Servera | 962.13 mi (1,548.39 km) |
| Delfzijl to Sonseca | 1,071.61 mi (1,724.59 km) |
| Delfzijl to Sopelana | 822.46 mi (1,323.63 km) |
| Delfzijl to Soria | 909.36 mi (1,463.48 km) |
| Delfzijl to Suances | 847.16 mi (1,363.37 km) |
| Delfzijl to Sueca | 1,034.28 mi (1,664.52 km) |
