| Karlovo to Monticello Conte Otto | 686.03 mi (1,104.06 km) |
| Karlovo to Montichiari | 740.15 mi (1,191.16 km) |
| Karlovo to Montignoso | 740.91 mi (1,192.38 km) |
| Karlovo to Montopoli in Val d'Arno | 711.19 mi (1,144.55 km) |
| Karlovo to Monza | 795.47 mi (1,280.18 km) |
| Karlovo to Morbegno | 788.72 mi (1,269.32 km) |
| Karlovo to Mori | 718.08 mi (1,155.64 km) |
| Karlovo to Morlupo | 628.16 mi (1,010.93 km) |
| Karlovo to Morrovalle | 568.82 mi (915.42 km) |
| Karlovo to Mortara | 817.34 mi (1,315.39 km) |
| Karlovo to Mosciano Sant'Angelo | 554.38 mi (892.19 km) |
| Karlovo to Motta di Livenza | 641.01 mi (1,031.61 km) |
| Karlovo to Motta Sant'Anastasia | 629.42 mi (1,012.95 km) |
| Karlovo to Mottola | 424.58 mi (683.29 km) |
| Karlovo to Mozzate | 812.01 mi (1,306.80 km) |
