| Napa to Washington (Indiana) | 1,889.18 mi (3,040.34 km) |
| Napa to Washington (Missouri) | 1,685.30 mi (2,712.23 km) |
| Napa to Washington (Pennsylvania) | 2,233.24 mi (3,594.05 km) |
| Napa to Washington (Utah) | 488.22 mi (785.71 km) |
| Napa to Washington Court House (Ohio) | 2,075.15 mi (3,339.62 km) |
| Napa to Washougal (Washington) | 503.35 mi (810.06 km) |
| Napa to Watauga (Texas) | 1,451.60 mi (2,336.13 km) |
| Napa to Waterbury (Connecticut) | 2,584.53 mi (4,159.40 km) |
| Napa to Waterloo (Illinois) | 1,733.71 mi (2,790.14 km) |
| Napa to Waterloo (Iowa) | 1,593.75 mi (2,564.89 km) |
| Napa to Watertown (New York) | 2,413.40 mi (3,883.99 km) |
| Napa to Watertown (South Dakota) | 1,370.56 mi (2,205.70 km) |
| Napa to Watertown (Wisconsin) | 1,777.25 mi (2,860.20 km) |
| Napa to Watertown Town (Massachusetts) | 2,666.66 mi (4,291.57 km) |
| Napa to Waterville (Maine) | 2,713.41 mi (4,366.81 km) |
