| Prospect Heights to Groveton (Virginia) | 614.00 mi (988.14 km) |
| Prospect Heights to Grovetown (Georgia) | 674.17 mi (1,084.96 km) |
| Prospect Heights to Guayama (Puerto Rico) | 2,103.83 mi (3,385.79 km) |
| Prospect Heights to Guaynabo (Puerto Rico) | 2,080.07 mi (3,347.55 km) |
| Prospect Heights to Gulf Shores (Alabama) | 817.30 mi (1,315.31 km) |
| Prospect Heights to Gulfport (Florida) | 1,034.54 mi (1,664.94 km) |
| Prospect Heights to Gulfport (Mississippi) | 809.26 mi (1,302.37 km) |
| Prospect Heights to Gunbarrel (Colorado) | 907.48 mi (1,460.45 km) |
| Prospect Heights to Gurnee (Illinois) | 18.45 mi (29.70 km) |
| Prospect Heights to Guthrie (Oklahoma) | 668.66 mi (1,076.11 km) |
| Prospect Heights to Guttenberg (New Jersey) | 725.84 mi (1,168.13 km) |
| Prospect Heights to Guymon (Oklahoma) | 813.15 mi (1,308.64 km) |
| Prospect Heights to Hacienda Heights (California) | 1,717.54 mi (2,764.11 km) |
| Prospect Heights to Hackensack (New Jersey) | 722.40 mi (1,162.59 km) |
| Prospect Heights to Hackettstown (New Jersey) | 682.96 mi (1,099.11 km) |
