| Castanet-Tolosan to Marghita | 1,040.88 mi (1,675.13 km) |
| Castanet-Tolosan to Marginea | 1,206.50 mi (1,941.67 km) |
| Castanet-Tolosan to Matca | 1,283.34 mi (2,065.34 km) |
| Castanet-Tolosan to Medgidia | 1,327.85 mi (2,136.98 km) |
| Castanet-Tolosan to Media | 1,130.36 mi (1,819.14 km) |
| Castanet-Tolosan to Miercurea-Ciuc | 1,199.91 mi (1,931.06 km) |
| Castanet-Tolosan to Mioveni | 1,160.67 mi (1,867.92 km) |
| Castanet-Tolosan to Mizil | 1,233.63 mi (1,985.34 km) |
| Castanet-Tolosan to Moinesti | 1,232.43 mi (1,983.40 km) |
| Castanet-Tolosan to Moisei | 1,145.52 mi (1,843.54 km) |
| Castanet-Tolosan to Moldova Noua | 1,001.16 mi (1,611.22 km) |
| Castanet-Tolosan to Moreni | 1,194.91 mi (1,923.02 km) |
| Castanet-Tolosan to Motru | 1,064.95 mi (1,713.87 km) |
| Castanet-Tolosan to Murfatlar | 1,335.75 mi (2,149.68 km) |
| Castanet-Tolosan to Nasaud | 1,137.00 mi (1,829.83 km) |
