| Mariehamn to Karlovo | 1,223.50 mi (1,969.03 km) |
| Mariehamn to Karnobat | 1,242.88 mi (2,000.22 km) |
| Mariehamn to Kavarna | 1,204.00 mi (1,937.65 km) |
| Mariehamn to Kazanlak | 1,229.77 mi (1,979.13 km) |
| Mariehamn to Knezha | 1,160.01 mi (1,866.86 km) |
| Mariehamn to Kostinbrod | 1,202.13 mi (1,934.65 km) |
| Mariehamn to Kozloduy | 1,138.47 mi (1,832.19 km) |
| Mariehamn to Kyustendil | 1,236.50 mi (1,989.95 km) |
| Mariehamn to Levski | 1,176.49 mi (1,893.38 km) |
| Mariehamn to Lom | 1,132.87 mi (1,823.17 km) |
| Mariehamn to Lovech | 1,189.26 mi (1,913.93 km) |
| Mariehamn to Lukovit | 1,181.10 mi (1,900.80 km) |
| Mariehamn to Lyaskovets | 1,199.42 mi (1,930.28 km) |
| Mariehamn to Mezdra | 1,181.75 mi (1,901.85 km) |
| Mariehamn to Momchilgrad | 1,303.90 mi (2,098.42 km) |
