| National City to Ashtabula (Ohio) | 2,077.32 mi (3,343.12 km) |
| National City to Ashwaubenon (Wisconsin) | 1,753.83 mi (2,822.51 km) |
| National City to Aspen Hill (Maryland) | 2,265.00 mi (3,645.16 km) |
| National City to Astoria (Oregon) | 999.46 mi (1,608.47 km) |
| National City to Atascadero (California) | 282.88 mi (455.25 km) |
| National City to Atascocita (Texas) | 1,303.69 mi (2,098.09 km) |
| National City to Atchison (Kansas) | 1,310.95 mi (2,109.76 km) |
| National City to Athens (Alabama) | 1,732.17 mi (2,787.66 km) |
| National City to Athens (Georgia) | 1,940.91 mi (3,123.59 km) |
| National City to Athens (Ohio) | 1,996.64 mi (3,213.28 km) |
| National City to Athens (Tennessee) | 1,861.53 mi (2,995.84 km) |
| National City to Athens (Texas) | 1,238.47 mi (1,993.13 km) |
| National City to Atlanta (Georgia) | 1,882.48 mi (3,029.56 km) |
| National City to Atlantic Beach (Florida) | 2,098.60 mi (3,377.37 km) |
| National City to Atlantic City (New Jersey) | 2,405.01 mi (3,870.49 km) |
