| Catonsville to Mombris | 4,050.03 mi (6,517.90 km) |
| Catonsville to Monchengladbach | 3,908.73 mi (6,290.50 km) |
| Catonsville to Monschau | 3,918.95 mi (6,306.94 km) |
| Catonsville to Montabaur | 3,985.51 mi (6,414.06 km) |
| Catonsville to Moosburg | 4,210.95 mi (6,776.86 km) |
| Catonsville to Morbach | 3,974.42 mi (6,396.22 km) |
| Catonsville to Morfelden-Walldorf | 4,028.53 mi (6,483.30 km) |
| Catonsville to Morlenbach | 4,046.48 mi (6,512.18 km) |
| Catonsville to Morsbach | 3,969.06 mi (6,387.58 km) |
| Catonsville to Mosbach | 4,070.42 mi (6,550.70 km) |
| Catonsville to Mosigkau | 4,117.42 mi (6,626.35 km) |
| Catonsville to Mossingen | 4,095.25 mi (6,590.67 km) |
| Catonsville to Much | 3,955.03 mi (6,365.01 km) |
| Catonsville to Mucheln | 4,116.97 mi (6,625.62 km) |
| Catonsville to Muhlacker | 4,069.92 mi (6,549.90 km) |
