| Madrid to Marasesti | 1,593.54 mi (2,564.55 km) |
| Madrid to Marghita | 1,374.37 mi (2,211.84 km) |
| Madrid to Marginea | 1,540.57 mi (2,479.30 km) |
| Madrid to Matca | 1,608.03 mi (2,587.88 km) |
| Madrid to Medgidia | 1,643.30 mi (2,644.64 km) |
| Madrid to Media | 1,457.04 mi (2,344.87 km) |
| Madrid to Miercurea-Ciuc | 1,527.42 mi (2,458.15 km) |
| Madrid to Mioveni | 1,480.00 mi (2,381.82 km) |
| Madrid to Mizil | 1,553.36 mi (2,499.89 km) |
| Madrid to Moinesti | 1,560.21 mi (2,510.92 km) |
| Madrid to Moisei | 1,479.39 mi (2,380.85 km) |
| Madrid to Moldova Noua | 1,318.81 mi (2,122.41 km) |
| Madrid to Moreni | 1,514.43 mi (2,437.24 km) |
| Madrid to Motru | 1,383.17 mi (2,226.00 km) |
| Madrid to Murfatlar | 1,650.77 mi (2,656.65 km) |
