| Karlovo to Miedzyrzec Podlaski | 652.17 mi (1,049.56 km) |
| Karlovo to Miedzyrzecz | 800.93 mi (1,288.98 km) |
| Karlovo to Mielec | 551.58 mi (887.68 km) |
| Karlovo to Mikolow | 590.65 mi (950.56 km) |
| Karlovo to Milanowek | 683.17 mi (1,099.46 km) |
| Karlovo to Milicz | 708.04 mi (1,139.48 km) |
| Karlovo to Minsk Mazowiecki | 676.14 mi (1,088.14 km) |
| Karlovo to Mlawa | 751.93 mi (1,210.12 km) |
| Karlovo to Mogilno | 760.67 mi (1,224.18 km) |
| Karlovo to Monki | 748.79 mi (1,205.06 km) |
| Karlovo to Morag | 810.01 mi (1,303.58 km) |
| Karlovo to Mosina | 759.65 mi (1,222.54 km) |
| Karlovo to Mragowo | 791.79 mi (1,274.27 km) |
| Karlovo to Murowana Goslina | 774.70 mi (1,246.76 km) |
| Karlovo to Myslenice | 548.33 mi (882.46 km) |
