| Round Rock to Mansfield | 4,810.33 mi (7,741.48 km) |
| Round Rock to March | 4,876.13 mi (7,847.38 km) |
| Round Rock to Margate | 4,960.86 mi (7,983.73 km) |
| Round Rock to Market Drayton | 4,767.94 mi (7,673.25 km) |
| Round Rock to Market Harborough | 4,839.77 mi (7,788.86 km) |
| Round Rock to Marlow | 4,871.39 mi (7,839.75 km) |
| Round Rock to Marple | 4,770.60 mi (7,677.54 km) |
| Round Rock to Marton | 4,771.14 mi (7,678.41 km) |
| Round Rock to Maryport | 4,682.05 mi (7,535.03 km) |
| Round Rock to Matlock | 4,797.06 mi (7,720.12 km) |
| Round Rock to Melksham | 4,823.87 mi (7,763.27 km) |
| Round Rock to Meltham | 4,773.21 mi (7,681.74 km) |
| Round Rock to Melton Mowbray | 4,832.84 mi (7,777.71 km) |
| Round Rock to Merthyr Tudful | 4,764.77 mi (7,668.16 km) |
| Round Rock to Methil | 4,661.49 mi (7,501.95 km) |
