| On Top of the World Designated Place to Mexborough | 4,271.18 mi (6,873.80 km) |
| On Top of the World Designated Place to Mickleover | 4,268.74 mi (6,869.87 km) |
| On Top of the World Designated Place to Middlesbrough | 4,258.24 mi (6,852.98 km) |
| On Top of the World Designated Place to Middleton | 4,234.02 mi (6,814.00 km) |
| On Top of the World Designated Place to Middlewich | 4,228.47 mi (6,805.07 km) |
| On Top of the World Designated Place to Midsomer Norton | 4,253.27 mi (6,844.98 km) |
| On Top of the World Designated Place to Mildenhall | 4,361.53 mi (7,019.21 km) |
| On Top of the World Designated Place to Milford Haven | 4,139.48 mi (6,661.85 km) |
| On Top of the World Designated Place to Mill Hill | 4,342.70 mi (6,988.90 km) |
| On Top of the World Designated Place to Milngavie | 4,122.94 mi (6,635.23 km) |
| On Top of the World Designated Place to Milnrow | 4,236.34 mi (6,817.74 km) |
| On Top of the World Designated Place to Milton | 4,242.62 mi (6,827.84 km) |
| On Top of the World Designated Place to Milton Keynes | 4,314.05 mi (6,942.79 km) |
| On Top of the World Designated Place to Minehead | 4,212.39 mi (6,779.18 km) |
| On Top of the World Designated Place to Minster | 4,389.36 mi (7,064.00 km) |
