| Napa to Grand Junction (Colorado) | 741.93 mi (1,194.02 km) |
| Napa to Grand Prairie (Texas) | 1,468.84 mi (2,363.87 km) |
| Napa to Grand Rapids (Michigan) | 1,932.71 mi (3,110.39 km) |
| Napa to Grand Rapids (Minnesota) | 1,573.08 mi (2,531.63 km) |
| Napa to Grand Terrace (California) | 405.20 mi (652.11 km) |
| Napa to Grandview (Missouri) | 1,494.93 mi (2,405.86 km) |
| Napa to Grandview (Washington) | 562.45 mi (905.17 km) |
| Napa to Grandville (Michigan) | 1,927.87 mi (3,102.60 km) |
| Napa to Granger (Indiana) | 1,914.22 mi (3,080.65 km) |
| Napa to Granite Bay (California) | 68.92 mi (110.91 km) |
| Napa to Granite City (Illinois) | 1,730.65 mi (2,785.21 km) |
| Napa to Grants Pass (Oregon) | 290.86 mi (468.09 km) |
| Napa to Grantsville (Utah) | 547.61 mi (881.30 km) |
| Napa to Grapevine (Texas) | 1,459.53 mi (2,348.89 km) |
| Napa to Grass Valley (California) | 92.86 mi (149.44 km) |
