| Blackrock to March | 265.99 mi (428.08 km) |
| Blackrock to Margate | 345.34 mi (555.78 km) |
| Blackrock to Market Drayton | 155.61 mi (250.43 km) |
| Blackrock to Market Harborough | 226.38 mi (364.32 km) |
| Blackrock to Marlow | 256.83 mi (413.33 km) |
| Blackrock to Marple | 169.90 mi (273.43 km) |
| Blackrock to Marton | 219.57 mi (353.36 km) |
| Blackrock to Maryport | 146.26 mi (235.38 km) |
| Blackrock to Matlock | 191.74 mi (308.57 km) |
| Blackrock to Melksham | 216.46 mi (348.36 km) |
| Blackrock to Meltham | 179.19 mi (288.37 km) |
| Blackrock to Melton Mowbray | 222.90 mi (358.73 km) |
| Blackrock to Merthyr Tudful | 159.51 mi (256.70 km) |
| Blackrock to Methil | 235.56 mi (379.10 km) |
| Blackrock to Mexborough | 202.06 mi (325.19 km) |
