| Castanet-Tolosan to Manfredonia | 744.07 mi (1,197.47 km) |
| Castanet-Tolosan to Maniago | 578.74 mi (931.39 km) |
| Castanet-Tolosan to Mantova | 472.74 mi (760.80 km) |
| Castanet-Tolosan to Maranello | 470.45 mi (757.12 km) |
| Castanet-Tolosan to Marano di Napoli | 673.13 mi (1,083.29 km) |
| Castanet-Tolosan to Marano Vicentino | 511.08 mi (822.51 km) |
| Castanet-Tolosan to Marcianise | 675.82 mi (1,087.62 km) |
| Castanet-Tolosan to Marcon | 549.83 mi (884.87 km) |
| Castanet-Tolosan to Mareno di Piave | 556.41 mi (895.46 km) |
| Castanet-Tolosan to Margherita di Savoia | 760.63 mi (1,224.12 km) |
| Castanet-Tolosan to Mariano Comense | 406.83 mi (654.74 km) |
| Castanet-Tolosan to Marigliano | 685.48 mi (1,103.17 km) |
| Castanet-Tolosan to Marino | 579.89 mi (933.24 km) |
| Castanet-Tolosan to Marostica | 522.23 mi (840.45 km) |
| Castanet-Tolosan to Marsala | 695.23 mi (1,118.86 km) |
