| River Falls to Mirfield | 3,858.23 mi (6,209.21 km) |
| River Falls to Mitcham | 3,996.75 mi (6,432.15 km) |
| River Falls to Mold | 3,825.36 mi (6,156.32 km) |
| River Falls to Molesey | 3,989.12 mi (6,419.87 km) |
| River Falls to Monkseaton | 3,818.06 mi (6,144.57 km) |
| River Falls to Monmouth | 3,888.55 mi (6,258.02 km) |
| River Falls to Montrose | 3,727.29 mi (5,998.49 km) |
| River Falls to Morden | 3,995.17 mi (6,429.60 km) |
| River Falls to Morecambe | 3,803.02 mi (6,120.36 km) |
| River Falls to Moreton | 3,817.91 mi (6,144.33 km) |
| River Falls to Morley | 3,858.81 mi (6,210.16 km) |
| River Falls to Morpeth | 3,805.81 mi (6,124.85 km) |
| River Falls to Morriston | 3,849.17 mi (6,194.64 km) |
| River Falls to Mosbrough | 3,882.46 mi (6,248.22 km) |
| River Falls to Mossley | 3,851.84 mi (6,198.94 km) |
