| Severn to Mexborough | 3,553.03 mi (5,718.05 km) |
| Severn to Mickleover | 3,553.99 mi (5,719.59 km) |
| Severn to Middlesbrough | 3,534.58 mi (5,688.36 km) |
| Severn to Middleton | 3,516.26 mi (5,658.88 km) |
| Severn to Middlewich | 3,512.86 mi (5,653.40 km) |
| Severn to Midsomer Norton | 3,548.53 mi (5,710.80 km) |
| Severn to Mildenhall | 3,647.96 mi (5,870.83 km) |
| Severn to Milford Haven | 3,434.46 mi (5,527.23 km) |
| Severn to Mill Hill | 3,633.81 mi (5,848.06 km) |
| Severn to Milngavie | 3,394.41 mi (5,462.77 km) |
| Severn to Milnrow | 3,518.24 mi (5,662.06 km) |
| Severn to Milton | 3,527.54 mi (5,677.03 km) |
| Severn to Milton Keynes | 3,603.33 mi (5,799.00 km) |
| Severn to Minehead | 3,509.07 mi (5,647.30 km) |
| Severn to Minster | 3,680.53 mi (5,923.25 km) |
