| Keystone to Mirfield | 4,315.41 mi (6,944.98 km) |
| Keystone to Mitcham | 4,411.31 mi (7,099.32 km) |
| Keystone to Mold | 4,263.38 mi (6,861.25 km) |
| Keystone to Molesey | 4,402.43 mi (7,085.03 km) |
| Keystone to Monkseaton | 4,307.20 mi (6,931.76 km) |
| Keystone to Monmouth | 4,297.63 mi (6,916.37 km) |
| Keystone to Montrose | 4,249.67 mi (6,839.18 km) |
| Keystone to Morden | 4,409.49 mi (7,096.38 km) |
| Keystone to Morecambe | 4,263.22 mi (6,860.99 km) |
| Keystone to Moreton | 4,261.46 mi (6,858.16 km) |
| Keystone to Morley | 4,317.99 mi (6,949.13 km) |
| Keystone to Morpeth | 4,296.65 mi (6,914.80 km) |
| Keystone to Morriston | 4,248.23 mi (6,836.87 km) |
| Keystone to Mosbrough | 4,333.31 mi (6,973.78 km) |
| Keystone to Mossley | 4,303.46 mi (6,925.74 km) |
