| Laredo to Manerbio | 681.28 mi (1,096.41 km) |
| Laredo to Manfredonia | 989.54 mi (1,592.52 km) |
| Laredo to Maniago | 811.75 mi (1,306.39 km) |
| Laredo to Mantova | 711.68 mi (1,145.34 km) |
| Laredo to Maranello | 713.16 mi (1,147.72 km) |
| Laredo to Marano di Napoli | 915.89 mi (1,473.98 km) |
| Laredo to Marano Vicentino | 746.47 mi (1,201.33 km) |
| Laredo to Marcianise | 919.12 mi (1,479.18 km) |
| Laredo to Marcon | 787.02 mi (1,266.59 km) |
| Laredo to Mareno di Piave | 791.58 mi (1,273.93 km) |
| Laredo to Margherita di Savoia | 1,005.75 mi (1,618.59 km) |
| Laredo to Mariano Comense | 639.04 mi (1,028.44 km) |
| Laredo to Marigliano | 928.57 mi (1,494.39 km) |
| Laredo to Marino | 824.34 mi (1,326.65 km) |
| Laredo to Marostica | 757.48 mi (1,219.04 km) |
