| Oulu to Krotoszyn | 964.26 mi (1,551.83 km) |
| Oulu to Kruszwica | 888.48 mi (1,429.87 km) |
| Oulu to Krynica | 1,090.52 mi (1,755.02 km) |
| Oulu to Krzeszowice | 1,049.60 mi (1,689.17 km) |
| Oulu to Kudowa-Zdroj | 1,060.53 mi (1,706.76 km) |
| Oulu to Kutno | 908.96 mi (1,462.83 km) |
| Oulu to Kwidzyn | 811.52 mi (1,306.02 km) |
| Oulu to Lancut | 1,039.40 mi (1,672.75 km) |
| Oulu to Lapy | 836.17 mi (1,345.68 km) |
| Oulu to Lask | 954.47 mi (1,536.08 km) |
| Oulu to Laziska Gorne | 1,054.52 mi (1,697.09 km) |
| Oulu to Lebork | 769.92 mi (1,239.07 km) |
| Oulu to Leczna | 952.05 mi (1,532.17 km) |
| Oulu to Leczyca | 922.77 mi (1,485.06 km) |
| Oulu to Legionowo | 886.41 mi (1,426.53 km) |
