| Prospect Heights to Ashtabula (Ohio) | 366.28 mi (589.46 km) |
| Prospect Heights to Ashwaubenon (Wisconsin) | 164.35 mi (264.49 km) |
| Prospect Heights to Aspen Hill (Maryland) | 605.22 mi (974.00 km) |
| Prospect Heights to Astoria (Oregon) | 1,785.48 mi (2,873.45 km) |
| Prospect Heights to Atascadero (California) | 1,810.39 mi (2,913.54 km) |
| Prospect Heights to Atascocita (Texas) | 930.17 mi (1,496.96 km) |
| Prospect Heights to Atchison (Kansas) | 415.63 mi (668.88 km) |
| Prospect Heights to Athens (Alabama) | 508.48 mi (818.31 km) |
| Prospect Heights to Athens (Georgia) | 615.27 mi (990.19 km) |
| Prospect Heights to Athens (Ohio) | 360.38 mi (579.97 km) |
| Prospect Heights to Athens (Tennessee) | 492.76 mi (793.01 km) |
| Prospect Heights to Athens (Texas) | 809.93 mi (1,303.46 km) |
| Prospect Heights to Atlanta (Georgia) | 606.98 mi (976.85 km) |
| Prospect Heights to Atlantic Beach (Florida) | 889.67 mi (1,431.79 km) |
| Prospect Heights to Atlantic City (New Jersey) | 729.16 mi (1,173.46 km) |
