| Castanet-Tolosan to Mendicino | 815.11 mi (1,311.80 km) |
| Castanet-Tolosan to Menfi | 726.36 mi (1,168.96 km) |
| Castanet-Tolosan to Mentana | 574.60 mi (924.74 km) |
| Castanet-Tolosan to Merano | 518.73 mi (834.81 km) |
| Castanet-Tolosan to Merate | 418.26 mi (673.13 km) |
| Castanet-Tolosan to Mercato San Severino | 704.55 mi (1,133.86 km) |
| Castanet-Tolosan to Mercogliano | 700.14 mi (1,126.76 km) |
| Castanet-Tolosan to Mesagne | 859.41 mi (1,383.09 km) |
| Castanet-Tolosan to Messina | 820.00 mi (1,319.66 km) |
| Castanet-Tolosan to Mestre | 546.09 mi (878.85 km) |
| Castanet-Tolosan to Mestrino | 523.13 mi (841.90 km) |
| Castanet-Tolosan to Milan | 402.18 mi (647.25 km) |
| Castanet-Tolosan to Milazzo | 804.43 mi (1,294.61 km) |
| Castanet-Tolosan to Minerbio | 500.64 mi (805.70 km) |
| Castanet-Tolosan to Minervino Murge | 762.64 mi (1,227.36 km) |
