| Castanet-Tolosan to Matelica | 577.84 mi (929.95 km) |
| Castanet-Tolosan to Matera | 797.70 mi (1,283.77 km) |
| Castanet-Tolosan to Matino | 888.58 mi (1,430.03 km) |
| Castanet-Tolosan to Mazzarino | 793.00 mi (1,276.21 km) |
| Castanet-Tolosan to Meda | 405.33 mi (652.32 km) |
| Castanet-Tolosan to Medesano | 436.41 mi (702.33 km) |
| Castanet-Tolosan to Medicina | 507.82 mi (817.26 km) |
| Castanet-Tolosan to Meldola | 527.36 mi (848.70 km) |
| Castanet-Tolosan to Melegnano | 406.33 mi (653.93 km) |
| Castanet-Tolosan to Melendugno | 892.79 mi (1,436.81 km) |
| Castanet-Tolosan to Melfi | 743.27 mi (1,196.18 km) |
| Castanet-Tolosan to Melilli | 838.45 mi (1,349.35 km) |
| Castanet-Tolosan to Melito di Napoli | 675.19 mi (1,086.62 km) |
| Castanet-Tolosan to Melito di Porto Salvo | 840.62 mi (1,352.85 km) |
| Castanet-Tolosan to Melzo | 413.36 mi (665.23 km) |
