| Catonsville to Mozzate | 4,175.42 mi (6,719.69 km) |
| Catonsville to Muggia | 4,382.20 mi (7,052.47 km) |
| Catonsville to Muggio | 4,190.21 mi (6,743.50 km) |
| Catonsville to Mugnano di Napoli | 4,568.80 mi (7,352.77 km) |
| Catonsville to Musile di Piave | 4,331.15 mi (6,970.30 km) |
| Catonsville to Mussomeli | 4,672.37 mi (7,519.45 km) |
| Catonsville to Naples | 4,573.38 mi (7,360.14 km) |
| Catonsville to Nardo | 4,764.37 mi (7,667.50 km) |
| Catonsville to Narni | 4,436.38 mi (7,139.66 km) |
| Catonsville to Nembro | 4,208.08 mi (6,772.24 km) |
| Catonsville to Nepi | 4,438.54 mi (7,143.14 km) |
| Catonsville to Nerviano | 4,181.09 mi (6,728.82 km) |
| Catonsville to Nettuno | 4,480.30 mi (7,210.34 km) |
| Catonsville to Nichelino | 4,140.90 mi (6,664.14 km) |
| Catonsville to Nicosia | 4,695.52 mi (7,556.70 km) |
