| Helena to Mombris | 4,892.50 mi (7,873.72 km) |
| Helena to Monchengladbach | 4,755.95 mi (7,653.96 km) |
| Helena to Monschau | 4,784.65 mi (7,700.15 km) |
| Helena to Montabaur | 4,835.35 mi (7,781.74 km) |
| Helena to Moosburg | 5,056.12 mi (8,137.05 km) |
| Helena to Morbach | 4,848.46 mi (7,802.84 km) |
| Helena to Morfelden-Walldorf | 4,879.92 mi (7,853.48 km) |
| Helena to Morlenbach | 4,905.82 mi (7,895.16 km) |
| Helena to Morsbach | 4,809.41 mi (7,740.00 km) |
| Helena to Mosbach | 4,930.62 mi (7,935.07 km) |
| Helena to Mosigkau | 4,877.76 mi (7,850.00 km) |
| Helena to Mossingen | 4,979.41 mi (8,013.58 km) |
| Helena to Much | 4,797.94 mi (7,721.55 km) |
| Helena to Mucheln | 4,895.92 mi (7,879.23 km) |
| Helena to Muhlacker | 4,943.77 mi (7,956.23 km) |
