| McKeesport to Mombris | 4,123.50 mi (6,636.13 km) |
| McKeesport to Monchengladbach | 3,981.26 mi (6,407.21 km) |
| McKeesport to Monschau | 3,993.63 mi (6,427.12 km) |
| McKeesport to Montabaur | 4,059.12 mi (6,532.53 km) |
| McKeesport to Moosburg | 4,286.30 mi (6,898.14 km) |
| McKeesport to Morbach | 4,050.59 mi (6,518.80 km) |
| McKeesport to Morfelden-Walldorf | 4,102.76 mi (6,602.75 km) |
| McKeesport to Morlenbach | 4,121.76 mi (6,633.33 km) |
| McKeesport to Morsbach | 4,041.46 mi (6,504.09 km) |
| McKeesport to Mosbach | 4,146.03 mi (6,672.39 km) |
| McKeesport to Mosigkau | 4,182.61 mi (6,731.26 km) |
| McKeesport to Mossingen | 4,173.73 mi (6,716.98 km) |
| McKeesport to Much | 4,027.57 mi (6,481.74 km) |
| McKeesport to Mucheln | 4,184.18 mi (6,733.79 km) |
| McKeesport to Muhlacker | 4,147.02 mi (6,673.99 km) |
