| Alton to Grovetown (Georgia) | 4,103.99 mi (6,604.73 km) |
| Alton to Guayama (Puerto Rico) | 4,185.57 mi (6,736.02 km) |
| Alton to Guaynabo (Puerto Rico) | 4,164.34 mi (6,701.85 km) |
| Alton to Gulf Shores (Alabama) | 4,486.80 mi (7,220.81 km) |
| Alton to Gulfport (Florida) | 4,404.23 mi (7,087.92 km) |
| Alton to Gulfport (Mississippi) | 4,535.54 mi (7,299.25 km) |
| Alton to Gunbarrel (Colorado) | 4,660.17 mi (7,499.81 km) |
| Alton to Gurnee (Illinois) | 3,915.78 mi (6,301.84 km) |
| Alton to Guthrie (Oklahoma) | 4,594.41 mi (7,393.99 km) |
| Alton to Guttenberg (New Jersey) | 3,430.62 mi (5,521.05 km) |
| Alton to Guymon (Oklahoma) | 4,702.44 mi (7,567.84 km) |
| Alton to Hacienda Heights (California) | 5,423.74 mi (8,728.66 km) |
| Alton to Hackensack (New Jersey) | 3,428.22 mi (5,517.18 km) |
| Alton to Hackettstown (New Jersey) | 3,461.75 mi (5,571.15 km) |
| Alton to Hagerstown (Maryland) | 3,633.21 mi (5,847.08 km) |
