| Napa to Conyers (Georgia) | 2,149.93 mi (3,459.98 km) |
| Napa to Cookeville (Tennessee) | 2,016.24 mi (3,244.82 km) |
| Napa to Coolidge (Arizona) | 708.86 mi (1,140.80 km) |
| Napa to Coon Rapids (Minnesota) | 1,558.75 mi (2,508.57 km) |
| Napa to Cooper City (Florida) | 2,573.76 mi (4,142.07 km) |
| Napa to Coos Bay (Oregon) | 365.30 mi (587.89 km) |
| Napa to Copiague (New York) | 2,579.44 mi (4,151.22 km) |
| Napa to Coppell (Texas) | 1,463.29 mi (2,354.93 km) |
| Napa to Copperas Cove (Texas) | 1,465.95 mi (2,359.22 km) |
| Napa to Coral Gables (Florida) | 2,586.38 mi (4,162.38 km) |
| Napa to Coral Springs (Florida) | 2,567.56 mi (4,132.10 km) |
| Napa to Coral Terrace (Florida) | 2,583.10 mi (4,157.10 km) |
| Napa to Coralville (Iowa) | 1,633.27 mi (2,628.49 km) |
| Napa to Coram (New York) | 2,595.96 mi (4,177.80 km) |
| Napa to Corcoran (California) | 214.75 mi (345.61 km) |
