| Constanta to Manerbio | 909.27 mi (1,463.33 km) |
| Constanta to Manfredonia | 666.24 mi (1,072.21 km) |
| Constanta to Maniago | 786.18 mi (1,265.24 km) |
| Constanta to Mantova | 877.71 mi (1,412.53 km) |
| Constanta to Maranello | 876.44 mi (1,410.49 km) |
| Constanta to Marano di Napoli | 768.36 mi (1,236.55 km) |
| Constanta to Marano Vicentino | 846.28 mi (1,361.96 km) |
| Constanta to Marcianise | 759.31 mi (1,221.98 km) |
| Constanta to Marcon | 804.26 mi (1,294.33 km) |
| Constanta to Mareno di Piave | 802.32 mi (1,291.21 km) |
| Constanta to Margherita di Savoia | 661.32 mi (1,064.29 km) |
| Constanta to Mariano Comense | 954.85 mi (1,536.69 km) |
| Constanta to Marigliano | 754.58 mi (1,214.38 km) |
| Constanta to Marino | 822.71 mi (1,324.02 km) |
| Constanta to Marostica | 835.64 mi (1,344.84 km) |
