| Southend to Mansfield | 136.41 mi (219.53 km) |
| Southend to March | 74.04 mi (119.15 km) |
| Southend to Margate | 31.16 mi (50.15 km) |
| Southend to Market Drayton | 164.41 mi (264.59 km) |
| Southend to Market Harborough | 94.41 mi (151.95 km) |
| Southend to Marlow | 64.02 mi (103.02 km) |
| Southend to Marple | 172.85 mi (278.18 km) |
| Southend to Marton | 221.17 mi (355.94 km) |
| Southend to Maryport | 279.37 mi (449.61 km) |
| Southend to Matlock | 145.48 mi (234.13 km) |
| Southend to Melksham | 123.22 mi (198.30 km) |
| Southend to Meltham | 177.35 mi (285.42 km) |
| Southend to Melton Mowbray | 107.87 mi (173.60 km) |
| Southend to Merthyr Tudful | 175.75 mi (282.84 km) |
| Southend to Methil | 354.35 mi (570.27 km) |
