| Oulu to Kastoria | 1,700.85 mi (2,737.25 km) |
| Oulu to Katerini | 1,713.98 mi (2,758.39 km) |
| Oulu to Keratsini | 1,870.32 mi (3,009.99 km) |
| Oulu to Kerkyra | 1,768.33 mi (2,845.85 km) |
| Oulu to Kiato | 1,869.07 mi (3,007.97 km) |
| Oulu to Kifisia | 1,861.96 mi (2,996.53 km) |
| Oulu to Kilkis | 1,663.58 mi (2,677.27 km) |
| Oulu to Komotini | 1,652.31 mi (2,659.14 km) |
| Oulu to Korinthos | 1,873.60 mi (3,015.26 km) |
| Oulu to Koropi | 1,874.54 mi (3,016.77 km) |
| Oulu to Korydallos | 1,869.12 mi (3,008.06 km) |
| Oulu to Kos | 1,947.30 mi (3,133.87 km) |
| Oulu to Kozani | 1,713.89 mi (2,758.25 km) |
| Oulu to Lagos | 1,654.71 mi (2,662.99 km) |
| Oulu to Lamia | 1,808.47 mi (2,910.45 km) |
