| Porvoo to Sestao | 1,675.09 mi (2,695.79 km) |
| Porvoo to Sevilla | 2,112.72 mi (3,400.10 km) |
| Porvoo to Sevilla La Nueva | 1,874.50 mi (3,016.71 km) |
| Porvoo to Silla | 1,834.80 mi (2,952.82 km) |
| Porvoo to Silleda | 1,865.71 mi (3,002.58 km) |
| Porvoo to Sitges | 1,664.97 mi (2,679.52 km) |
| Porvoo to Socuellamos | 1,902.32 mi (3,061.49 km) |
| Porvoo to Soller | 1,732.12 mi (2,787.59 km) |
| Porvoo to Solsona | 1,626.76 mi (2,618.02 km) |
| Porvoo to Son Servera | 1,725.36 mi (2,776.69 km) |
| Porvoo to Sonseca | 1,910.19 mi (3,074.15 km) |
| Porvoo to Sopelana | 1,670.34 mi (2,688.15 km) |
| Porvoo to Soria | 1,748.01 mi (2,813.15 km) |
| Porvoo to Suances | 1,698.79 mi (2,733.94 km) |
| Porvoo to Sueca | 1,841.86 mi (2,964.19 km) |
