| Porvoo to Kalisz | 663.56 mi (1,067.89 km) |
| Porvoo to Kamien Pomorski | 601.32 mi (967.73 km) |
| Porvoo to Kamienna Gora | 761.38 mi (1,225.33 km) |
| Porvoo to Karczew | 598.40 mi (963.03 km) |
| Porvoo to Kartuzy | 502.05 mi (807.97 km) |
| Porvoo to Katowice | 746.03 mi (1,200.63 km) |
| Porvoo to Kedzierzyn-Kozle | 752.21 mi (1,210.57 km) |
| Porvoo to Kepno | 695.40 mi (1,119.15 km) |
| Porvoo to Ketrzyn | 464.26 mi (747.15 km) |
| Porvoo to Kety | 767.60 mi (1,235.34 km) |
| Porvoo to Kielce | 685.93 mi (1,103.89 km) |
| Porvoo to Kielczow | 718.11 mi (1,155.68 km) |
| Porvoo to Klobuck | 704.58 mi (1,133.91 km) |
| Porvoo to Klodzko | 772.13 mi (1,242.62 km) |
| Porvoo to Kluczbork | 710.95 mi (1,144.17 km) |
