| Holyhead to March | 203.44 mi (327.40 km) |
| Holyhead to Margate | 286.52 mi (461.10 km) |
| Holyhead to Market Drayton | 93.38 mi (150.28 km) |
| Holyhead to Market Harborough | 165.04 mi (265.61 km) |
| Holyhead to Marlow | 201.88 mi (324.89 km) |
| Holyhead to Marple | 106.24 mi (170.98 km) |
| Holyhead to Marton | 163.25 mi (262.72 km) |
| Holyhead to Maryport | 107.47 mi (172.96 km) |
| Holyhead to Matlock | 128.05 mi (206.08 km) |
| Holyhead to Melksham | 170.34 mi (274.14 km) |
| Holyhead to Meltham | 116.16 mi (186.94 km) |
| Holyhead to Melton Mowbray | 160.10 mi (257.66 km) |
| Holyhead to Merthyr Tudful | 120.37 mi (193.72 km) |
| Holyhead to Methil | 208.78 mi (336.00 km) |
| Holyhead to Mexborough | 138.60 mi (223.06 km) |
