| Constanta to Mitcham | 1,415.62 mi (2,278.22 km) |
| Constanta to Mold | 1,560.86 mi (2,511.97 km) |
| Constanta to Molesey | 1,424.61 mi (2,292.69 km) |
| Constanta to Monkseaton | 1,525.76 mi (2,455.48 km) |
| Constanta to Monmouth | 1,528.80 mi (2,460.36 km) |
| Constanta to Montrose | 1,598.84 mi (2,573.08 km) |
| Constanta to Morden | 1,417.47 mi (2,281.19 km) |
| Constanta to Morecambe | 1,563.10 mi (2,515.56 km) |
| Constanta to Moreton | 1,563.03 mi (2,515.45 km) |
| Constanta to Morley | 1,507.74 mi (2,426.47 km) |
| Constanta to Morpeth | 1,537.03 mi (2,473.62 km) |
| Constanta to Morriston | 1,579.35 mi (2,541.72 km) |
| Constanta to Mosbrough | 1,491.40 mi (2,400.18 km) |
| Constanta to Mossley | 1,521.47 mi (2,448.57 km) |
| Constanta to Moston | 1,527.35 mi (2,458.03 km) |
