| Napa to Yonkers (New York) | 2,551.07 mi (4,105.55 km) |
| Napa to Yorba Linda (California) | 395.78 mi (636.95 km) |
| Napa to York (Pennsylvania) | 2,418.26 mi (3,891.82 km) |
| Napa to Yorktown (Indiana) | 1,958.89 mi (3,152.53 km) |
| Napa to Yorkville (Illinois) | 1,795.55 mi (2,889.65 km) |
| Napa to Youngstown (Ohio) | 2,201.80 mi (3,543.45 km) |
| Napa to Youngsville (Louisiana) | 1,812.62 mi (2,917.12 km) |
| Napa to Ypsilanti (Michigan) | 2,039.60 mi (3,282.41 km) |
| Napa to Yuba City (California) | 68.05 mi (109.51 km) |
| Napa to Yucaipa (California) | 415.56 mi (668.78 km) |
| Napa to Yucca Valley (California) | 436.40 mi (702.33 km) |
| Napa to Yukon (Oklahoma) | 1,365.01 mi (2,196.77 km) |
| Napa to Yulee (Florida) | 2,360.10 mi (3,798.21 km) |
| Napa to Yuma (Arizona) | 587.26 mi (945.11 km) |
| Napa to Zachary (Louisiana) | 1,840.30 mi (2,961.67 km) |
