| Rockford to Mombris | 4,381.00 mi (7,050.54 km) |
| Rockford to Monchengladbach | 4,237.91 mi (6,820.26 km) |
| Rockford to Monschau | 4,255.53 mi (6,848.61 km) |
| Rockford to Montabaur | 4,317.67 mi (6,948.63 km) |
| Rockford to Moosburg | 4,546.90 mi (7,317.53 km) |
| Rockford to Morbach | 4,315.61 mi (6,945.31 km) |
| Rockford to Morfelden-Walldorf | 4,362.38 mi (7,020.58 km) |
| Rockford to Morlenbach | 4,383.82 mi (7,055.08 km) |
| Rockford to Morsbach | 4,297.15 mi (6,915.60 km) |
| Rockford to Mosbach | 4,408.68 mi (7,095.09 km) |
| Rockford to Mosigkau | 4,418.64 mi (7,111.11 km) |
| Rockford to Mossingen | 4,443.28 mi (7,150.76 km) |
| Rockford to Much | 4,283.75 mi (6,894.04 km) |
| Rockford to Mucheln | 4,425.30 mi (7,121.84 km) |
| Rockford to Muhlacker | 4,413.39 mi (7,102.67 km) |
