| Serpa to Marghita | 1,641.17 mi (2,641.20 km) |
| Serpa to Marginea | 1,807.42 mi (2,908.77 km) |
| Serpa to Matca | 1,870.54 mi (3,010.34 km) |
| Serpa to Medgidia | 1,901.22 mi (3,059.71 km) |
| Serpa to Media | 1,720.78 mi (2,769.33 km) |
| Serpa to Miercurea-Ciuc | 1,791.41 mi (2,882.99 km) |
| Serpa to Mioveni | 1,740.30 mi (2,800.74 km) |
| Serpa to Mizil | 1,813.64 mi (2,918.77 km) |
| Serpa to Moinesti | 1,824.26 mi (2,935.86 km) |
| Serpa to Moisei | 1,746.22 mi (2,810.28 km) |
| Serpa to Moldova Noua | 1,578.92 mi (2,541.03 km) |
| Serpa to Moreni | 1,774.73 mi (2,856.15 km) |
| Serpa to Motru | 1,643.30 mi (2,644.63 km) |
| Serpa to Murfatlar | 1,908.44 mi (3,071.34 km) |
| Serpa to Nasaud | 1,735.54 mi (2,793.09 km) |
