| Castanet-Tolosan to Marsciano | 546.77 mi (879.94 km) |
| Castanet-Tolosan to Martano | 892.74 mi (1,436.72 km) |
| Castanet-Tolosan to Martellago | 542.99 mi (873.86 km) |
| Castanet-Tolosan to Martina Franca | 833.28 mi (1,341.03 km) |
| Castanet-Tolosan to Martinengo | 431.01 mi (693.65 km) |
| Castanet-Tolosan to Martinsicuro | 626.43 mi (1,008.14 km) |
| Castanet-Tolosan to Mascali | 820.02 mi (1,319.69 km) |
| Castanet-Tolosan to Mascalucia | 820.25 mi (1,320.07 km) |
| Castanet-Tolosan to Masera di Padova | 526.21 mi (846.85 km) |
| Castanet-Tolosan to Maserada sul Piave | 553.38 mi (890.58 km) |
| Castanet-Tolosan to Massa | 432.09 mi (695.39 km) |
| Castanet-Tolosan to Massa Lombarda | 516.69 mi (831.54 km) |
| Castanet-Tolosan to Massafra | 825.17 mi (1,327.99 km) |
| Castanet-Tolosan to Massalubrense | 688.14 mi (1,107.46 km) |
| Castanet-Tolosan to Massarosa | 441.86 mi (711.10 km) |
