| Belfast to March | 284.35 mi (457.61 km) |
| Belfast to Margate | 376.20 mi (605.44 km) |
| Belfast to Market Drayton | 182.94 mi (294.41 km) |
| Belfast to Market Harborough | 252.38 mi (406.17 km) |
| Belfast to Marlow | 298.86 mi (480.97 km) |
| Belfast to Marple | 177.62 mi (285.85 km) |
| Belfast to Marton | 189.29 mi (304.63 km) |
| Belfast to Maryport | 97.75 mi (157.32 km) |
| Belfast to Matlock | 204.81 mi (329.61 km) |
| Belfast to Melksham | 272.94 mi (439.26 km) |
| Belfast to Meltham | 179.26 mi (288.50 km) |
| Belfast to Melton Mowbray | 241.99 mi (389.44 km) |
| Belfast to Merthyr Tudful | 223.66 mi (359.95 km) |
| Belfast to Methil | 158.28 mi (254.72 km) |
| Belfast to Mexborough | 203.13 mi (326.91 km) |
