| Keystone to Lydney | 4,306.75 mi (6,931.05 km) |
| Keystone to Lye | 4,314.12 mi (6,942.91 km) |
| Keystone to Lymington | 4,362.05 mi (7,020.04 km) |
| Keystone to Lymm | 4,287.47 mi (6,900.01 km) |
| Keystone to Mablethorpe | 4,398.61 mi (7,078.88 km) |
| Keystone to Macclesfield | 4,303.16 mi (6,925.27 km) |
| Keystone to Mackworth | 4,331.57 mi (6,970.98 km) |
| Keystone to Madeley | 4,298.08 mi (6,917.10 km) |
| Keystone to Maesteg | 4,261.10 mi (6,857.58 km) |
| Keystone to Maghull | 4,266.80 mi (6,866.75 km) |
| Keystone to Maidenhead | 4,385.70 mi (7,058.10 km) |
| Keystone to Maidstone | 4,441.96 mi (7,148.64 km) |
| Keystone to Maldon | 4,440.62 mi (7,146.49 km) |
| Keystone to Maltby | 4,338.08 mi (6,981.47 km) |
| Keystone to Manchester | 4,295.56 mi (6,913.03 km) |
