| Napa to Worthington (Ohio) | 2,089.85 mi (3,363.29 km) |
| Napa to Wright (Florida) | 2,090.66 mi (3,364.60 km) |
| Napa to Wyandanch (New York) | 2,579.72 mi (4,151.66 km) |
| Napa to Wyandotte (Michigan) | 2,063.49 mi (3,320.87 km) |
| Napa to Wylie (Texas) | 1,486.99 mi (2,393.08 km) |
| Napa to Wyndham (Virginia) | 2,409.42 mi (3,877.59 km) |
| Napa to Wyoming (Michigan) | 1,930.42 mi (3,106.71 km) |
| Napa to Wyomissing (Pennsylvania) | 2,452.21 mi (3,946.45 km) |
| Napa to Xenia (Ohio) | 2,046.51 mi (3,293.53 km) |
| Napa to Yakima (Washington) | 579.99 mi (933.40 km) |
| Napa to Yankton (South Dakota) | 1,339.43 mi (2,155.60 km) |
| Napa to Yauco (Puerto Rico) | 3,595.20 mi (5,785.92 km) |
| Napa to Yazoo City (Mississippi) | 1,821.66 mi (2,931.67 km) |
| Napa to Yeadon (Pennsylvania) | 2,495.19 mi (4,015.63 km) |
| Napa to Yelm (Washington) | 597.35 mi (961.35 km) |
