| Catonsville to Mengen | 4,117.40 mi (6,626.31 km) |
| Catonsville to Meppen | 3,902.63 mi (6,280.68 km) |
| Catonsville to Merchweiler | 3,985.07 mi (6,413.34 km) |
| Catonsville to Mering | 4,178.81 mi (6,725.14 km) |
| Catonsville to Merseburg | 4,122.77 mi (6,634.97 km) |
| Catonsville to Merzenich | 3,922.58 mi (6,312.79 km) |
| Catonsville to Merzig | 3,964.35 mi (6,380.00 km) |
| Catonsville to Meschede | 3,977.98 mi (6,401.93 km) |
| Catonsville to Messkirch | 4,110.14 mi (6,614.63 km) |
| Catonsville to Messstetten | 4,098.19 mi (6,595.40 km) |
| Catonsville to Mettingen | 3,931.64 mi (6,327.36 km) |
| Catonsville to Mettlach | 3,962.37 mi (6,376.82 km) |
| Catonsville to Mettmann | 3,928.62 mi (6,322.50 km) |
| Catonsville to Metzingen | 4,100.68 mi (6,599.41 km) |
| Catonsville to Meuselwitz | 4,144.05 mi (6,669.20 km) |
