| Prospect Heights to Montgomeryville (Pennsylvania) | 671.40 mi (1,080.51 km) |
| Prospect Heights to Monticello (Minnesota) | 366.98 mi (590.60 km) |
| Prospect Heights to Montrose (Colorado) | 1,077.44 mi (1,733.98 km) |
| Prospect Heights to Moody (Alabama) | 592.79 mi (954.01 km) |
| Prospect Heights to Moore (Oklahoma) | 694.95 mi (1,118.42 km) |
| Prospect Heights to Moorestown-Lenola (New Jersey) | 690.80 mi (1,111.73 km) |
| Prospect Heights to Mooresville (North Carolina) | 590.20 mi (949.84 km) |
| Prospect Heights to Moorhead (Minnesota) | 544.71 mi (876.62 km) |
| Prospect Heights to Moorpark (California) | 1,754.16 mi (2,823.05 km) |
| Prospect Heights to Moraga (California) | 1,821.95 mi (2,932.14 km) |
| Prospect Heights to Moreno Valley (California) | 1,681.06 mi (2,705.41 km) |
| Prospect Heights to Morgan City (Louisiana) | 875.82 mi (1,409.50 km) |
| Prospect Heights to Morgan Hill (California) | 1,814.78 mi (2,920.60 km) |
| Prospect Heights to Morganton (North Carolina) | 552.21 mi (888.69 km) |
| Prospect Heights to Morgantown (West Virginia) | 450.18 mi (724.49 km) |
