| Prospect Heights to Mombris | 4,347.03 mi (6,995.86 km) |
| Prospect Heights to Monchengladbach | 4,203.93 mi (6,765.57 km) |
| Prospect Heights to Monschau | 4,220.97 mi (6,792.99 km) |
| Prospect Heights to Montabaur | 4,283.54 mi (6,893.69 km) |
| Prospect Heights to Moosburg | 4,512.70 mi (7,262.49 km) |
| Prospect Heights to Morbach | 4,280.74 mi (6,889.19 km) |
| Prospect Heights to Morfelden-Walldorf | 4,328.16 mi (6,965.50 km) |
| Prospect Heights to Morlenbach | 4,349.34 mi (6,999.59 km) |
| Prospect Heights to Morsbach | 4,263.32 mi (6,861.15 km) |
| Prospect Heights to Mosbach | 4,374.15 mi (7,039.52 km) |
| Prospect Heights to Mosigkau | 4,387.12 mi (7,060.39 km) |
| Prospect Heights to Mossingen | 4,407.99 mi (7,093.98 km) |
| Prospect Heights to Much | 4,249.86 mi (6,839.48 km) |
| Prospect Heights to Mucheln | 4,393.22 mi (7,070.20 km) |
| Prospect Heights to Muhlacker | 4,378.44 mi (7,046.43 km) |
