| Constanta to Mechernich | 1,114.97 mi (1,794.37 km) |
| Constanta to Meckenbeuren | 945.68 mi (1,521.92 km) |
| Constanta to Meckenheim | 1,100.06 mi (1,770.38 km) |
| Constanta to Meerane | 881.95 mi (1,419.36 km) |
| Constanta to Meerbusch | 1,127.02 mi (1,813.77 km) |
| Constanta to Meine | 1,003.09 mi (1,614.32 km) |
| Constanta to Meinerzhagen | 1,083.99 mi (1,744.52 km) |
| Constanta to Meiningen | 956.42 mi (1,539.22 km) |
| Constanta to Meissen | 852.30 mi (1,371.64 km) |
| Constanta to Meitingen | 898.41 mi (1,445.85 km) |
| Constanta to Melle | 1,081.91 mi (1,741.16 km) |
| Constanta to Melsungen | 1,006.07 mi (1,619.12 km) |
| Constanta to Memmelsdorf | 919.75 mi (1,480.19 km) |
| Constanta to Memmingen | 920.39 mi (1,481.23 km) |
| Constanta to Mendig | 1,084.15 mi (1,744.76 km) |
