| National City to Dallas (Oregon) | 909.87 mi (1,464.30 km) |
| National City to Dallas (Texas) | 1,179.95 mi (1,898.95 km) |
| National City to Dalton (Georgia) | 1,844.21 mi (2,967.97 km) |
| National City to Daly City (California) | 460.60 mi (741.27 km) |
| National City to Damascus (Maryland) | 2,258.70 mi (3,635.02 km) |
| National City to Damascus (Oregon) | 926.42 mi (1,490.93 km) |
| National City to Dana Point (California) | 65.70 mi (105.73 km) |
| National City to Danbury (Connecticut) | 2,453.49 mi (3,948.51 km) |
| National City to Dania Beach (Florida) | 2,258.72 mi (3,635.06 km) |
| National City to Danville (California) | 449.32 mi (723.11 km) |
| National City to Danville (Illinois) | 1,710.12 mi (2,752.17 km) |
| National City to Danville (Indiana) | 1,765.00 mi (2,840.50 km) |
| National City to Danville (Kentucky) | 1,848.47 mi (2,974.83 km) |
| National City to Danville (Virginia) | 2,146.19 mi (3,453.95 km) |
| National City to Daphne (Alabama) | 1,718.89 mi (2,766.28 km) |
