| Rockville to Gaffney (South Carolina) | 371.72 mi (598.23 km) |
| Rockville to Gages Lake (Illinois) | 609.77 mi (981.33 km) |
| Rockville to Gahanna (Ohio) | 310.92 mi (500.38 km) |
| Rockville to Gainesville (Florida) | 713.58 mi (1,148.40 km) |
| Rockville to Gainesville (Georgia) | 496.14 mi (798.46 km) |
| Rockville to Gainesville (Texas) | 1,171.39 mi (1,885.16 km) |
| Rockville to Gainesville (Virginia) | 32.65 mi (52.55 km) |
| Rockville to Gaithersburg (Maryland) | 4.70 mi (7.57 km) |
| Rockville to Galena Park (Texas) | 1,212.27 mi (1,950.97 km) |
| Rockville to Galesburg (Illinois) | 710.66 mi (1,143.70 km) |
| Rockville to Galion (Ohio) | 319.16 mi (513.64 km) |
| Rockville to Gallatin (Tennessee) | 541.91 mi (872.12 km) |
| Rockville to Gallup (New Mexico) | 1,744.59 mi (2,807.65 km) |
| Rockville to Galt (California) | 2,358.02 mi (3,794.87 km) |
| Rockville to Galveston (Texas) | 1,217.05 mi (1,958.66 km) |
