| Ostrow Wielkopolski to Klaukkala | 659.26 mi (1,060.97 km) |
| Ostrow Wielkopolski to Kokkola | 863.86 mi (1,390.24 km) |
| Ostrow Wielkopolski to Kontiolahti | 887.15 mi (1,427.72 km) |
| Ostrow Wielkopolski to Korsholm | 804.61 mi (1,294.90 km) |
| Ostrow Wielkopolski to Kotka | 702.16 mi (1,130.02 km) |
| Ostrow Wielkopolski to Kouvola | 721.07 mi (1,160.46 km) |
| Ostrow Wielkopolski to Kuhmo | 959.65 mi (1,544.41 km) |
| Ostrow Wielkopolski to Kuopio | 857.52 mi (1,380.04 km) |
| Ostrow Wielkopolski to Kurikka | 776.53 mi (1,249.70 km) |
| Ostrow Wielkopolski to Kuusamo | 1,065.69 mi (1,715.06 km) |
| Ostrow Wielkopolski to Kuusankoski | 722.01 mi (1,161.96 km) |
| Ostrow Wielkopolski to Lahti | 710.19 mi (1,142.94 km) |
| Ostrow Wielkopolski to Laitila | 654.88 mi (1,053.93 km) |
| Ostrow Wielkopolski to Lapinlahti | 881.82 mi (1,419.15 km) |
| Ostrow Wielkopolski to Lappeenranta | 760.12 mi (1,223.30 km) |
