| Napa to Carlsbad (California) | 454.78 mi (731.91 km) |
| Napa to Carlsbad (New Mexico) | 1,094.04 mi (1,760.68 km) |
| Napa to Carmel (Indiana) | 1,927.91 mi (3,102.67 km) |
| Napa to Carmichael (California) | 57.57 mi (92.65 km) |
| Napa to Carney (Maryland) | 2,437.57 mi (3,922.90 km) |
| Napa to Carnot-Moon (Pennsylvania) | 2,230.48 mi (3,589.61 km) |
| Napa to Carol Stream (Illinois) | 1,810.82 mi (2,914.24 km) |
| Napa to Carolina (Puerto Rico) | 3,628.15 mi (5,838.94 km) |
| Napa to Carolina Forest (South Carolina) | 2,422.23 mi (3,898.20 km) |
| Napa to Carpentersville (Illinois) | 1,801.87 mi (2,899.82 km) |
| Napa to Carpinteria (California) | 311.01 mi (500.52 km) |
| Napa to Carrboro (North Carolina) | 2,364.98 mi (3,806.06 km) |
| Napa to Carroll (Iowa) | 1,464.97 mi (2,357.64 km) |
| Napa to Carrollton (Georgia) | 2,092.99 mi (3,368.34 km) |
| Napa to Carrollton (Texas) | 1,467.51 mi (2,361.73 km) |
