| National City to Delaware (Ohio) | 1,949.06 mi (3,136.70 km) |
| National City to Delhi (California) | 389.37 mi (626.63 km) |
| National City to Delray Beach (Florida) | 2,253.53 mi (3,626.70 km) |
| National City to Deltona (Florida) | 2,135.71 mi (3,437.09 km) |
| National City to Deming (New Mexico) | 545.35 mi (877.66 km) |
| National City to Denison (Texas) | 1,186.48 mi (1,909.45 km) |
| National City to Dent (Ohio) | 1,859.31 mi (2,992.27 km) |
| National City to Denton (Texas) | 1,156.05 mi (1,860.49 km) |
| National City to Dentsville (South Carolina) | 2,076.98 mi (3,342.58 km) |
| National City to Denver (Colorado) | 838.15 mi (1,348.87 km) |
| National City to Depew (New York) | 2,190.90 mi (3,525.92 km) |
| National City to Derby (Connecticut) | 2,473.62 mi (3,980.90 km) |
| National City to Derby (Kansas) | 1,168.77 mi (1,880.96 km) |
| National City to Des Moines (Iowa) | 1,426.70 mi (2,296.05 km) |
| National City to Des Moines (Washington) | 1,053.61 mi (1,695.63 km) |
