| Marshalltown to Mombris | 4,529.92 mi (7,290.20 km) |
| Marshalltown to Monchengladbach | 4,387.01 mi (7,060.20 km) |
| Marshalltown to Monschau | 4,406.12 mi (7,090.96 km) |
| Marshalltown to Montabaur | 4,467.09 mi (7,189.09 km) |
| Marshalltown to Moosburg | 4,696.28 mi (7,557.94 km) |
| Marshalltown to Morbach | 4,466.95 mi (7,188.86 km) |
| Marshalltown to Morfelden-Walldorf | 4,511.99 mi (7,261.35 km) |
| Marshalltown to Morlenbach | 4,534.10 mi (7,296.92 km) |
| Marshalltown to Morsbach | 4,445.78 mi (7,154.80 km) |
| Marshalltown to Mosbach | 4,559.06 mi (7,337.10 km) |
| Marshalltown to Mosigkau | 4,560.95 mi (7,340.14 km) |
| Marshalltown to Mossingen | 4,595.59 mi (7,395.89 km) |
| Marshalltown to Much | 4,432.57 mi (7,133.53 km) |
| Marshalltown to Mucheln | 4,569.15 mi (7,353.34 km) |
| Marshalltown to Muhlacker | 4,564.86 mi (7,346.43 km) |
