| Mariehamn to Sestao | 1,504.05 mi (2,420.54 km) |
| Mariehamn to Sevilla | 1,946.57 mi (3,132.70 km) |
| Mariehamn to Sevilla La Nueva | 1,707.45 mi (2,747.88 km) |
| Mariehamn to Silla | 1,681.23 mi (2,705.67 km) |
| Mariehamn to Silleda | 1,684.21 mi (2,710.48 km) |
| Mariehamn to Sitges | 1,514.94 mi (2,438.05 km) |
| Mariehamn to Socuellamos | 1,741.13 mi (2,802.08 km) |
| Mariehamn to Soller | 1,589.34 mi (2,557.80 km) |
| Mariehamn to Solsona | 1,473.63 mi (2,371.57 km) |
| Mariehamn to Son Servera | 1,585.67 mi (2,551.90 km) |
| Mariehamn to Sonseca | 1,744.74 mi (2,807.89 km) |
| Mariehamn to Sopelana | 1,499.20 mi (2,412.73 km) |
| Mariehamn to Soria | 1,582.20 mi (2,546.31 km) |
| Mariehamn to Suances | 1,524.77 mi (2,453.88 km) |
| Mariehamn to Sueca | 1,689.00 mi (2,718.18 km) |
