| Boulder to Garfield Heights (Ohio) | 1,238.23 mi (1,992.74 km) |
| Boulder to Garland (Texas) | 685.74 mi (1,103.59 km) |
| Boulder to Garner (North Carolina) | 1,477.57 mi (2,377.92 km) |
| Boulder to Gary (Indiana) | 940.90 mi (1,514.23 km) |
| Boulder to Gastonia (North Carolina) | 1,352.95 mi (2,177.37 km) |
| Boulder to Gatesville (Texas) | 726.94 mi (1,169.89 km) |
| Boulder to Gateway (Florida) | 1,636.61 mi (2,633.87 km) |
| Boulder to Gautier (Mississippi) | 1,145.25 mi (1,843.11 km) |
| Boulder to Geneva (Illinois) | 891.13 mi (1,434.13 km) |
| Boulder to Geneva (New York) | 1,470.21 mi (2,366.08 km) |
| Boulder to Georgetown (Georgia) | 1,447.47 mi (2,329.48 km) |
| Boulder to Georgetown (Kentucky) | 1,114.14 mi (1,793.04 km) |
| Boulder to Georgetown (Texas) | 773.54 mi (1,244.89 km) |
| Boulder to Germantown (Maryland) | 1,485.03 mi (2,389.92 km) |
| Boulder to Germantown (Tennessee) | 912.02 mi (1,467.76 km) |
