| Dokkum to Sestao | 804.85 mi (1,295.27 km) |
| Dokkum to Sevilla | 1,251.14 mi (2,013.51 km) |
| Dokkum to Sevilla La Nueva | 1,012.06 mi (1,628.76 km) |
| Dokkum to Silla | 1,011.14 mi (1,627.27 km) |
| Dokkum to Silleda | 982.20 mi (1,580.70 km) |
| Dokkum to Sitges | 857.98 mi (1,380.78 km) |
| Dokkum to Socuellamos | 1,054.65 mi (1,697.30 km) |
| Dokkum to Soller | 949.67 mi (1,528.35 km) |
| Dokkum to Solsona | 809.87 mi (1,303.36 km) |
| Dokkum to Son Servera | 955.11 mi (1,537.10 km) |
| Dokkum to Sonseca | 1,051.35 mi (1,691.99 km) |
| Dokkum to Sopelana | 799.91 mi (1,287.33 km) |
| Dokkum to Soria | 889.51 mi (1,431.53 km) |
| Dokkum to Suances | 822.84 mi (1,324.23 km) |
| Dokkum to Sueca | 1,020.38 mi (1,642.14 km) |
