| Rock Island to Germantown (Tennessee) | 443.42 mi (713.62 km) |
| Rock Island to Germantown (Wisconsin) | 175.06 mi (281.74 km) |
| Rock Island to Gibsonton (Florida) | 1,050.55 mi (1,690.69 km) |
| Rock Island to Gig Harbor (Washington) | 1,618.94 mi (2,605.43 km) |
| Rock Island to Gilbert (Arizona) | 1,286.72 mi (2,070.78 km) |
| Rock Island to Gillette (Wyoming) | 778.52 mi (1,252.91 km) |
| Rock Island to Gilroy (California) | 1,678.22 mi (2,700.83 km) |
| Rock Island to Gladeview (Florida) | 1,230.82 mi (1,980.82 km) |
| Rock Island to Gladstone (Missouri) | 261.03 mi (420.09 km) |
| Rock Island to Gladstone (Oregon) | 1,617.85 mi (2,603.68 km) |
| Rock Island to Glasgow (Delaware) | 788.63 mi (1,269.17 km) |
| Rock Island to Glasgow (Kentucky) | 396.44 mi (638.01 km) |
| Rock Island to Glassboro (New Jersey) | 819.82 mi (1,319.37 km) |
| Rock Island to Glassmanor (Maryland) | 740.40 mi (1,191.56 km) |
| Rock Island to Glen Allen (Virginia) | 744.59 mi (1,198.30 km) |
