| Napa to Kalispell (Montana) | 793.07 mi (1,276.33 km) |
| Napa to Kaneohe (Hawaii) | 2,404.67 mi (3,869.94 km) |
| Napa to Kankakee (Illinois) | 1,828.94 mi (2,943.39 km) |
| Napa to Kannapolis (North Carolina) | 2,291.05 mi (3,687.09 km) |
| Napa to Kansas City (Kansas) | 1,481.10 mi (2,383.59 km) |
| Napa to Kansas City (Missouri) | 1,491.22 mi (2,399.89 km) |
| Napa to Kapaa (Hawaii) | 2,457.40 mi (3,954.81 km) |
| Napa to Kapolei (Hawaii) | 2,421.68 mi (3,897.31 km) |
| Napa to Katy (Texas) | 1,618.12 mi (2,604.11 km) |
| Napa to Kaukauna (Wisconsin) | 1,800.94 mi (2,898.34 km) |
| Napa to Kaysville (Utah) | 581.79 mi (936.29 km) |
| Napa to Kearney (Missouri) | 1,499.77 mi (2,413.65 km) |
| Napa to Kearney (Nebraska) | 1,245.23 mi (2,004.01 km) |
| Napa to Kearns (Utah) | 572.08 mi (920.68 km) |
| Napa to Kearny (New Jersey) | 2,541.00 mi (4,089.34 km) |
