| Napa to Kennewick (Washington) | 568.69 mi (915.22 km) |
| Napa to Kenosha (Wisconsin) | 1,821.39 mi (2,931.24 km) |
| Napa to Kent (Ohio) | 2,164.51 mi (3,483.44 km) |
| Napa to Kent (Washington) | 628.16 mi (1,010.92 km) |
| Napa to Kentwood (Michigan) | 1,936.20 mi (3,116.02 km) |
| Napa to Kerman (California) | 163.88 mi (263.74 km) |
| Napa to Kernersville (North Carolina) | 2,308.07 mi (3,714.48 km) |
| Napa to Kerrville (Texas) | 1,437.00 mi (2,312.63 km) |
| Napa to Kettering (Maryland) | 2,432.04 mi (3,914.00 km) |
| Napa to Kettering (Ohio) | 2,035.45 mi (3,275.74 km) |
| Napa to Kewanee (Illinois) | 1,721.27 mi (2,770.12 km) |
| Napa to Key Biscayne (Florida) | 2,592.55 mi (4,172.30 km) |
| Napa to Key Largo (Florida) | 2,599.23 mi (4,183.05 km) |
| Napa to Key West (Florida) | 2,546.11 mi (4,097.57 km) |
| Napa to Keystone (Florida) | 2,379.75 mi (3,829.84 km) |
