| Catonsville to Lubbeek | 3,853.27 mi (6,201.24 km) |
| Catonsville to Lummen | 3,865.07 mi (6,220.24 km) |
| Catonsville to Maaseik | 3,885.46 mi (6,253.05 km) |
| Catonsville to Machelen | 3,836.18 mi (6,173.73 km) |
| Catonsville to Maldegem | 3,788.30 mi (6,096.68 km) |
| Catonsville to Malmedy | 3,913.16 mi (6,297.62 km) |
| Catonsville to Manage | 3,838.51 mi (6,177.48 km) |
| Catonsville to Marche-en-Famenne | 3,890.79 mi (6,261.63 km) |
| Catonsville to Mariakerke | 3,801.29 mi (6,117.58 km) |
| Catonsville to Mechelen | 3,834.93 mi (6,171.72 km) |
| Catonsville to Mechelen-aan-de-Maas | 3,884.92 mi (6,252.18 km) |
| Catonsville to Meerhout | 3,856.47 mi (6,206.38 km) |
| Catonsville to Meise | 3,831.40 mi (6,166.05 km) |
| Catonsville to Melle | 3,808.13 mi (6,128.60 km) |
| Catonsville to Melsele | 3,821.98 mi (6,150.88 km) |
