| Porvoo to Jicin | 796.00 mi (1,281.03 km) |
| Porvoo to Jihlava | 856.41 mi (1,378.27 km) |
| Porvoo to Jindrichuv Hradec | 883.37 mi (1,421.65 km) |
| Porvoo to Jirkov | 831.73 mi (1,338.54 km) |
| Porvoo to Kadan | 843.02 mi (1,356.71 km) |
| Porvoo to Karlovy Vary | 860.58 mi (1,384.97 km) |
| Porvoo to Karvina | 779.64 mi (1,254.71 km) |
| Porvoo to Kladno | 838.87 mi (1,350.03 km) |
| Porvoo to Klasterec nad Ohri | 844.73 mi (1,359.46 km) |
| Porvoo to Klatovy | 901.76 mi (1,451.24 km) |
| Porvoo to Kolin | 824.30 mi (1,326.58 km) |
| Porvoo to Koprivnice | 801.97 mi (1,290.64 km) |
| Porvoo to Kralupy nad Vltavou | 828.92 mi (1,334.02 km) |
| Porvoo to Kraluv Dvur | 852.45 mi (1,371.88 km) |
| Porvoo to Krnov | 776.69 mi (1,249.96 km) |
