| Porvoo to Spilamberto | 1,251.02 mi (2,013.32 km) |
| Porvoo to Spilimbergo | 1,113.81 mi (1,792.51 km) |
| Porvoo to Spinea | 1,167.90 mi (1,879.56 km) |
| Porvoo to Spoleto | 1,334.42 mi (2,147.54 km) |
| Porvoo to Spoltore | 1,330.69 mi (2,141.55 km) |
| Porvoo to Spresiano | 1,147.79 mi (1,847.19 km) |
| Porvoo to Squinzano | 1,417.12 mi (2,280.64 km) |
| Porvoo to Statte | 1,416.89 mi (2,280.27 km) |
| Porvoo to Stezzano | 1,209.64 mi (1,946.73 km) |
| Porvoo to Strada | 1,305.65 mi (2,101.25 km) |
| Porvoo to Stradella | 1,252.37 mi (2,015.49 km) |
| Porvoo to Striano | 1,432.99 mi (2,306.18 km) |
| Porvoo to Subiaco | 1,381.34 mi (2,223.05 km) |
| Porvoo to Sulmona | 1,360.80 mi (2,189.99 km) |
| Porvoo to Surbo | 1,418.57 mi (2,282.97 km) |
