| Rock Island to Groveton (Virginia) | 735.84 mi (1,184.22 km) |
| Rock Island to Grovetown (Georgia) | 718.98 mi (1,157.09 km) |
| Rock Island to Guayama (Puerto Rico) | 2,173.26 mi (3,497.52 km) |
| Rock Island to Guaynabo (Puerto Rico) | 2,150.49 mi (3,460.88 km) |
| Rock Island to Gulf Shores (Alabama) | 789.90 mi (1,271.22 km) |
| Rock Island to Gulfport (Florida) | 1,047.43 mi (1,685.67 km) |
| Rock Island to Gulfport (Mississippi) | 767.60 mi (1,235.33 km) |
| Rock Island to Gunbarrel (Colorado) | 768.64 mi (1,237.01 km) |
| Rock Island to Gurnee (Illinois) | 149.47 mi (240.55 km) |
| Rock Island to Guthrie (Oklahoma) | 536.24 mi (863.00 km) |
| Rock Island to Guttenberg (New Jersey) | 862.68 mi (1,388.34 km) |
| Rock Island to Guymon (Oklahoma) | 670.45 mi (1,078.99 km) |
| Rock Island to Hacienda Heights (California) | 1,575.31 mi (2,535.22 km) |
| Rock Island to Hackensack (New Jersey) | 859.58 mi (1,383.35 km) |
| Rock Island to Hackettstown (New Jersey) | 819.60 mi (1,319.02 km) |
