| Prospect Heights to Anoka (Minnesota) | 347.17 mi (558.71 km) |
| Prospect Heights to Ansonia (Connecticut) | 767.02 mi (1,234.39 km) |
| Prospect Heights to Antelope (California) | 1,763.09 mi (2,837.41 km) |
| Prospect Heights to Anthem (Arizona) | 1,428.99 mi (2,299.73 km) |
| Prospect Heights to Antioch (California) | 1,802.04 mi (2,900.10 km) |
| Prospect Heights to Antioch (Illinois) | 26.64 mi (42.88 km) |
| Prospect Heights to Apache Junction (Arizona) | 1,416.80 mi (2,280.12 km) |
| Prospect Heights to Apex (North Carolina) | 655.94 mi (1,055.63 km) |
| Prospect Heights to Apollo Beach (Florida) | 1,038.59 mi (1,671.45 km) |
| Prospect Heights to Apopka (Florida) | 992.82 mi (1,597.78 km) |
| Prospect Heights to Apple Valley (California) | 1,661.79 mi (2,674.39 km) |
| Prospect Heights to Apple Valley (Minnesota) | 321.38 mi (517.20 km) |
| Prospect Heights to Appleton (Wisconsin) | 152.01 mi (244.64 km) |
| Prospect Heights to Arbutus (Maryland) | 620.46 mi (998.53 km) |
| Prospect Heights to Arcadia (California) | 1,716.39 mi (2,762.27 km) |
