| Karlovo to Marmande | 1,235.47 mi (1,988.29 km) |
| Karlovo to Maromme | 1,226.84 mi (1,974.41 km) |
| Karlovo to Marquette-les-Lille | 1,164.71 mi (1,874.41 km) |
| Karlovo to Marseille | 981.49 mi (1,579.55 km) |
| Karlovo to Martigues | 997.14 mi (1,604.74 km) |
| Karlovo to Massy | 1,160.86 mi (1,868.23 km) |
| Karlovo to Maubeuge | 1,117.79 mi (1,798.91 km) |
| Karlovo to Mauguio | 1,048.22 mi (1,686.95 km) |
| Karlovo to Mauleon | 1,281.55 mi (2,062.45 km) |
| Karlovo to Maurepas | 1,175.83 mi (1,892.31 km) |
| Karlovo to Maxeville | 989.47 mi (1,592.39 km) |
| Karlovo to Mayenne | 1,285.35 mi (2,068.57 km) |
| Karlovo to Mazamet | 1,130.46 mi (1,819.30 km) |
| Karlovo to Meaux | 1,137.29 mi (1,830.30 km) |
| Karlovo to Melun | 1,140.66 mi (1,835.72 km) |
