| Napa to Commerce (California) | 376.61 mi (606.09 km) |
| Napa to Commerce City (Colorado) | 941.06 mi (1,514.49 km) |
| Napa to Compton (California) | 379.82 mi (611.26 km) |
| Napa to Comstock Park (Michigan) | 1,931.33 mi (3,108.18 km) |
| Napa to Concord (California) | 27.75 mi (44.66 km) |
| Napa to Concord (Missouri) | 1,720.83 mi (2,769.41 km) |
| Napa to Concord (New Hampshire) | 2,636.28 mi (4,242.68 km) |
| Napa to Concord (North Carolina) | 2,292.99 mi (3,690.22 km) |
| Napa to Conneaut (Ohio) | 2,197.57 mi (3,536.65 km) |
| Napa to Connersville (Indiana) | 1,983.87 mi (3,192.73 km) |
| Napa to Conroe (Texas) | 1,619.65 mi (2,606.57 km) |
| Napa to Converse (Texas) | 1,498.10 mi (2,410.96 km) |
| Napa to Conway (Arkansas) | 1,660.53 mi (2,672.36 km) |
| Napa to Conway (Florida) | 2,436.74 mi (3,921.56 km) |
| Napa to Conway (South Carolina) | 2,413.43 mi (3,884.05 km) |
