| Tomball to Gaffney (South Carolina) | 881.70 mi (1,418.95 km) |
| Tomball to Gages Lake (Illinois) | 946.81 mi (1,523.75 km) |
| Tomball to Gahanna (Ohio) | 993.59 mi (1,599.03 km) |
| Tomball to Gainesville (Florida) | 795.21 mi (1,279.76 km) |
| Tomball to Gainesville (Georgia) | 747.20 mi (1,202.50 km) |
| Tomball to Gainesville (Texas) | 260.77 mi (419.68 km) |
| Tomball to Gainesville (Virginia) | 1,184.76 mi (1,906.69 km) |
| Tomball to Gaithersburg (Maryland) | 1,215.30 mi (1,955.83 km) |
| Tomball to Galena Park (Texas) | 33.45 mi (53.84 km) |
| Tomball to Galesburg (Illinois) | 805.49 mi (1,296.31 km) |
| Tomball to Galion (Ohio) | 1,029.08 mi (1,656.14 km) |
| Tomball to Gallatin (Tennessee) | 683.54 mi (1,100.05 km) |
| Tomball to Gallup (New Mexico) | 848.25 mi (1,365.12 km) |
| Tomball to Galt (California) | 1,566.33 mi (2,520.76 km) |
| Tomball to Galveston (Texas) | 73.03 mi (117.53 km) |
