| Oulu to Kalisz | 952.74 mi (1,533.28 km) |
| Oulu to Kamien Pomorski | 847.71 mi (1,364.26 km) |
| Oulu to Kamienna Gora | 1,039.89 mi (1,673.54 km) |
| Oulu to Karczew | 905.81 mi (1,457.77 km) |
| Oulu to Kartuzy | 779.16 mi (1,253.93 km) |
| Oulu to Katowice | 1,045.24 mi (1,682.16 km) |
| Oulu to Kedzierzyn-Kozle | 1,046.56 mi (1,684.28 km) |
| Oulu to Kepno | 985.59 mi (1,586.16 km) |
| Oulu to Ketrzyn | 768.31 mi (1,236.47 km) |
| Oulu to Kety | 1,068.61 mi (1,719.76 km) |
| Oulu to Kielce | 992.26 mi (1,596.88 km) |
| Oulu to Kielczow | 1,003.31 mi (1,614.67 km) |
| Oulu to Klobuck | 1,001.81 mi (1,612.25 km) |
| Oulu to Klodzko | 1,056.34 mi (1,700.01 km) |
| Oulu to Kluczbork | 1,003.62 mi (1,615.16 km) |
