| Napa to Wichita (Kansas) | 1,355.44 mi (2,181.37 km) |
| Napa to Wichita Falls (Texas) | 1,357.21 mi (2,184.22 km) |
| Napa to Wickliffe (Ohio) | 2,154.52 mi (3,467.36 km) |
| Napa to Wildomar (California) | 428.93 mi (690.29 km) |
| Napa to Wildwood (Florida) | 2,391.49 mi (3,848.73 km) |
| Napa to Wildwood (Missouri) | 1,703.41 mi (2,741.37 km) |
| Napa to Wilkes-Barre (Pennsylvania) | 2,444.44 mi (3,933.95 km) |
| Napa to Wilkinsburg (Pennsylvania) | 2,249.21 mi (3,619.75 km) |
| Napa to Williamsburg (Virginia) | 2,465.05 mi (3,967.11 km) |
| Napa to Williamsport (Pennsylvania) | 2,385.25 mi (3,838.69 km) |
| Napa to Williamstown (New Jersey) | 2,513.21 mi (4,044.63 km) |
| Napa to Willimantic (Connecticut) | 2,623.95 mi (4,222.84 km) |
| Napa to Williston (North Dakota) | 1,156.41 mi (1,861.06 km) |
| Napa to Willmar (Minnesota) | 1,473.95 mi (2,372.09 km) |
| Napa to Willoughby (Ohio) | 2,157.26 mi (3,471.78 km) |
