| Porvoo to Selvazzano Dentro | 1,182.17 mi (1,902.52 km) |
| Porvoo to Senago | 1,225.27 mi (1,971.88 km) |
| Porvoo to Senigallia | 1,263.15 mi (2,032.85 km) |
| Porvoo to Seravezza | 1,300.40 mi (2,092.79 km) |
| Porvoo to Seregno | 1,219.70 mi (1,962.91 km) |
| Porvoo to Seriate | 1,206.14 mi (1,941.09 km) |
| Porvoo to Sermoneta | 1,408.37 mi (2,266.56 km) |
| Porvoo to Serramanna | 1,618.51 mi (2,604.74 km) |
| Porvoo to Serravalle Pistoiese | 1,294.77 mi (2,083.74 km) |
| Porvoo to Sessa Aurunca | 1,414.52 mi (2,276.44 km) |
| Porvoo to Sesto Calende | 1,227.41 mi (1,975.33 km) |
| Porvoo to Sesto Fiorentino | 1,291.91 mi (2,079.13 km) |
| Porvoo to Sesto San Giovanni | 1,226.11 mi (1,973.24 km) |
| Porvoo to Sestri Levante | 1,300.67 mi (2,093.23 km) |
| Porvoo to Sestu | 1,623.25 mi (2,612.37 km) |
