| Karlovo to Kokkola | 1,465.82 mi (2,359.00 km) |
| Karlovo to Kontiolahti | 1,405.29 mi (2,261.59 km) |
| Karlovo to Korsholm | 1,419.87 mi (2,285.06 km) |
| Karlovo to Kotka | 1,234.71 mi (1,987.07 km) |
| Karlovo to Kouvola | 1,261.67 mi (2,030.47 km) |
| Karlovo to Kuhmo | 1,495.89 mi (2,407.41 km) |
| Karlovo to Kuopio | 1,403.87 mi (2,259.31 km) |
| Karlovo to Kurikka | 1,383.46 mi (2,226.47 km) |
| Karlovo to Kuusamo | 1,620.18 mi (2,607.43 km) |
| Karlovo to Kuusankoski | 1,264.24 mi (2,034.59 km) |
| Karlovo to Lahti | 1,267.64 mi (2,040.06 km) |
| Karlovo to Laitila | 1,266.88 mi (2,038.85 km) |
| Karlovo to Lapinlahti | 1,435.55 mi (2,310.30 km) |
| Karlovo to Lappeenranta | 1,280.63 mi (2,060.97 km) |
| Karlovo to Lapua | 1,406.29 mi (2,263.21 km) |