| Four Corners to Mexborough | 4,817.77 mi (7,753.45 km) |
| Four Corners to Mickleover | 4,842.29 mi (7,792.91 km) |
| Four Corners to Middlesbrough | 4,762.04 mi (7,663.76 km) |
| Four Corners to Middleton | 4,790.83 mi (7,710.10 km) |
| Four Corners to Middlewich | 4,803.02 mi (7,729.71 km) |
| Four Corners to Midsomer Norton | 4,902.34 mi (7,889.55 km) |
| Four Corners to Mildenhall | 4,926.77 mi (7,928.86 km) |
| Four Corners to Milford Haven | 4,807.61 mi (7,737.11 km) |
| Four Corners to Mill Hill | 4,946.16 mi (7,960.07 km) |
| Four Corners to Milngavie | 4,611.16 mi (7,420.95 km) |
| Four Corners to Milnrow | 4,789.96 mi (7,708.70 km) |
| Four Corners to Milton | 4,818.59 mi (7,754.76 km) |
| Four Corners to Milton Keynes | 4,909.37 mi (7,900.86 km) |
| Four Corners to Minehead | 4,878.70 mi (7,851.50 km) |
| Four Corners to Minster | 4,984.74 mi (8,022.17 km) |
