| Helena to Mirfield | 4,397.21 mi (7,076.63 km) |
| Helena to Mitcham | 4,554.10 mi (7,329.12 km) |
| Helena to Mold | 4,378.77 mi (7,046.95 km) |
| Helena to Molesey | 4,547.73 mi (7,318.86 km) |
| Helena to Monkseaton | 4,338.68 mi (6,982.43 km) |
| Helena to Monmouth | 4,456.07 mi (7,171.35 km) |
| Helena to Montrose | 4,231.62 mi (6,810.14 km) |
| Helena to Morden | 4,552.77 mi (7,326.98 km) |
| Helena to Morecambe | 4,343.68 mi (6,990.47 km) |
| Helena to Moreton | 4,368.29 mi (7,030.09 km) |
| Helena to Morley | 4,396.46 mi (7,075.43 km) |
| Helena to Morpeth | 4,326.11 mi (6,962.21 km) |
| Helena to Morriston | 4,425.33 mi (7,121.87 km) |
| Helena to Mosbrough | 4,423.97 mi (7,119.69 km) |
| Helena to Mossley | 4,394.84 mi (7,072.81 km) |
