| Rockford to Grayslake (Illinois) | 52.94 mi (85.20 km) |
| Rockford to Great Bend (Kansas) | 579.01 mi (931.83 km) |
| Rockford to Great Falls (Montana) | 1,142.60 mi (1,838.84 km) |
| Rockford to Great Falls (Virginia) | 655.64 mi (1,055.16 km) |
| Rockford to Great Neck (New York) | 798.20 mi (1,284.58 km) |
| Rockford to Greeley (Colorado) | 823.51 mi (1,325.30 km) |
| Rockford to Green (Ohio) | 402.23 mi (647.32 km) |
| Rockford to Green Bay (Wisconsin) | 164.89 mi (265.37 km) |
| Rockford to Green River (Wyoming) | 1,048.45 mi (1,687.32 km) |
| Rockford to Green Valley (Arizona) | 1,401.51 mi (2,255.51 km) |
| Rockford to Green Valley (Maryland) | 649.82 mi (1,045.78 km) |
| Rockford to Greenacres (Florida) | 1,192.19 mi (1,918.64 km) |
| Rockford to Greenbelt (Maryland) | 676.39 mi (1,088.55 km) |
| Rockford to Greendale (Wisconsin) | 71.48 mi (115.04 km) |
| Rockford to Greeneville (Tennessee) | 537.15 mi (864.46 km) |
