| Napa to Kingsville (Texas) | 1,594.71 mi (2,566.44 km) |
| Napa to Kinston (North Carolina) | 2,458.64 mi (3,956.80 km) |
| Napa to Kirkland (Washington) | 649.46 mi (1,045.21 km) |
| Napa to Kirksville (Missouri) | 1,588.51 mi (2,556.45 km) |
| Napa to Kirkwood (Missouri) | 1,716.71 mi (2,762.78 km) |
| Napa to Kiryas Joel (New York) | 2,530.22 mi (4,071.99 km) |
| Napa to Kissimmee (Florida) | 2,438.20 mi (3,923.90 km) |
| Napa to Klamath Falls (Oregon) | 272.40 mi (438.38 km) |
| Napa to Knightdale (North Carolina) | 2,399.35 mi (3,861.39 km) |
| Napa to Knik-Fairview (Alaska) | 1,981.79 mi (3,189.39 km) |
| Napa to Knoxville (Tennessee) | 2,103.53 mi (3,385.30 km) |
| Napa to Kokomo (Indiana) | 1,924.13 mi (3,096.59 km) |
| Napa to Kuna (Idaho) | 472.84 mi (760.96 km) |
| Napa to Kyle (Texas) | 1,503.64 mi (2,419.88 km) |
| Napa to La Cañada Flintridge (California) | 363.20 mi (584.51 km) |
