| Porvoo to Schijndel | 982.44 mi (1,581.08 km) |
| Porvoo to Schinnen | 1,002.91 mi (1,614.02 km) |
| Porvoo to Schoonhoven | 983.67 mi (1,583.06 km) |
| Porvoo to Simpelveld | 1,006.04 mi (1,619.06 km) |
| Porvoo to Sint Anthonis | 968.68 mi (1,558.93 km) |
| Porvoo to Sint Willebrord | 1,010.99 mi (1,627.03 km) |
| Porvoo to Sint-Michielsgestel | 983.35 mi (1,582.55 km) |
| Porvoo to Sint-Oedenrode | 984.26 mi (1,584.01 km) |
| Porvoo to Sittard | 1,000.82 mi (1,610.66 km) |
| Porvoo to Sliedrecht | 992.67 mi (1,597.54 km) |
| Porvoo to Slochteren | 864.05 mi (1,390.56 km) |
| Porvoo to Sluis | 1,059.49 mi (1,705.08 km) |
| Porvoo to Sneek | 907.62 mi (1,460.67 km) |
| Porvoo to Soest | 958.73 mi (1,542.93 km) |
| Porvoo to Someren | 985.71 mi (1,586.34 km) |
