| Prospect Heights to Missouri City (Texas) | 964.65 mi (1,552.46 km) |
| Prospect Heights to Mitchell (South Dakota) | 523.24 mi (842.08 km) |
| Prospect Heights to Mitchellville (Maryland) | 622.76 mi (1,002.23 km) |
| Prospect Heights to Moberly (Missouri) | 300.16 mi (483.07 km) |
| Prospect Heights to Mobile (Alabama) | 789.51 mi (1,270.59 km) |
| Prospect Heights to Modesto (California) | 1,769.52 mi (2,847.77 km) |
| Prospect Heights to Mokena (Illinois) | 39.55 mi (63.64 km) |
| Prospect Heights to Moline (Illinois) | 138.95 mi (223.62 km) |
| Prospect Heights to Moncks Corner (South Carolina) | 753.12 mi (1,212.03 km) |
| Prospect Heights to Monfort Heights (Ohio) | 266.47 mi (428.84 km) |
| Prospect Heights to Monmouth (Oregon) | 1,766.04 mi (2,842.17 km) |
| Prospect Heights to Monroe (Georgia) | 617.75 mi (994.18 km) |
| Prospect Heights to Monroe (Louisiana) | 700.22 mi (1,126.90 km) |
| Prospect Heights to Monroe (Michigan) | 233.50 mi (375.79 km) |
| Prospect Heights to Monroe (North Carolina) | 631.08 mi (1,015.63 km) |
