| Castle Rock to Mexborough | 4,580.31 mi (7,371.30 km) |
| Castle Rock to Mickleover | 4,594.80 mi (7,394.62 km) |
| Castle Rock to Middlesbrough | 4,539.55 mi (7,305.70 km) |
| Castle Rock to Middleton | 4,547.54 mi (7,318.56 km) |
| Castle Rock to Middlewich | 4,552.92 mi (7,327.22 km) |
| Castle Rock to Midsomer Norton | 4,626.30 mi (7,445.31 km) |
| Castle Rock to Mildenhall | 4,687.45 mi (7,543.72 km) |
| Castle Rock to Milford Haven | 4,518.36 mi (7,271.60 km) |
| Castle Rock to Mill Hill | 4,691.73 mi (7,550.62 km) |
| Castle Rock to Milngavie | 4,386.50 mi (7,059.40 km) |
| Castle Rock to Milnrow | 4,547.97 mi (7,319.25 km) |
| Castle Rock to Milton | 4,568.76 mi (7,352.71 km) |
| Castle Rock to Milton Keynes | 4,656.38 mi (7,493.72 km) |
| Castle Rock to Minehead | 4,594.12 mi (7,393.52 km) |
| Castle Rock to Minster | 4,735.81 mi (7,621.55 km) |
