| Slough to Marasesti | 1,317.79 mi (2,120.78 km) |
| Slough to Marghita | 1,064.40 mi (1,712.99 km) |
| Slough to Marginea | 1,201.85 mi (1,934.18 km) |
| Slough to Matca | 1,331.71 mi (2,143.19 km) |
| Slough to Medgidia | 1,416.60 mi (2,279.79 km) |
| Slough to Media | 1,186.40 mi (1,909.32 km) |
| Slough to Miercurea-Ciuc | 1,241.80 mi (1,998.49 km) |
| Slough to Mioveni | 1,251.17 mi (2,013.57 km) |
| Slough to Mizil | 1,313.16 mi (2,113.33 km) |
| Slough to Moinesti | 1,268.72 mi (2,041.80 km) |
| Slough to Moisei | 1,150.44 mi (1,851.45 km) |
| Slough to Moldova Noua | 1,122.79 mi (1,806.96 km) |
| Slough to Moreni | 1,280.10 mi (2,060.12 km) |
| Slough to Motru | 1,173.94 mi (1,889.27 km) |
| Slough to Murfatlar | 1,425.56 mi (2,294.22 km) |
