| Prospect Heights to Maricopa (Arizona) | 1,452.77 mi (2,338.01 km) |
| Prospect Heights to Marietta (Georgia) | 592.37 mi (953.33 km) |
| Prospect Heights to Marietta (Ohio) | 386.22 mi (621.56 km) |
| Prospect Heights to Marina (California) | 1,833.96 mi (2,951.48 km) |
| Prospect Heights to Marinette (Wisconsin) | 206.64 mi (332.55 km) |
| Prospect Heights to Marion (Arkansas) | 492.32 mi (792.32 km) |
| Prospect Heights to Marion (Illinois) | 306.65 mi (493.50 km) |
| Prospect Heights to Marion (Indiana) | 159.23 mi (256.26 km) |
| Prospect Heights to Marion (Iowa) | 187.65 mi (301.99 km) |
| Prospect Heights to Marion (Ohio) | 269.99 mi (434.50 km) |
| Prospect Heights to Marion Oaks (Florida) | 960.32 mi (1,545.49 km) |
| Prospect Heights to Markham (Illinois) | 36.88 mi (59.35 km) |
| Prospect Heights to Marlborough (Massachusetts) | 836.92 mi (1,346.89 km) |
| Prospect Heights to Marlton (New Jersey) | 693.85 mi (1,116.65 km) |
| Prospect Heights to Marquette (Michigan) | 307.85 mi (495.43 km) |
