| Severn to Mirfield | 3,533.57 mi (5,686.73 km) |
| Severn to Mitcham | 3,641.79 mi (5,860.90 km) |
| Severn to Mold | 3,485.80 mi (5,609.85 km) |
| Severn to Molesey | 3,633.15 mi (5,846.99 km) |
| Severn to Monkseaton | 3,517.56 mi (5,660.97 km) |
| Severn to Monmouth | 3,528.19 mi (5,678.08 km) |
| Severn to Montrose | 3,452.04 mi (5,555.52 km) |
| Severn to Morden | 3,640.01 mi (5,858.03 km) |
| Severn to Morecambe | 3,480.02 mi (5,600.56 km) |
| Severn to Moreton | 3,482.43 mi (5,604.43 km) |
| Severn to Morley | 3,535.68 mi (5,690.13 km) |
| Severn to Morpeth | 3,506.51 mi (5,643.18 km) |
| Severn to Morriston | 3,480.93 mi (5,602.02 km) |
| Severn to Mosbrough | 3,553.27 mi (5,718.44 km) |
| Severn to Mossley | 3,522.88 mi (5,669.52 km) |
