| Valley Center to Decatur (Alabama) | 1,718.00 mi (2,764.86 km) |
| Valley Center to Decatur (Georgia) | 1,877.50 mi (3,021.54 km) |
| Valley Center to Decatur (Illinois) | 1,616.96 mi (2,602.25 km) |
| Valley Center to Deer Park (New York) | 2,440.55 mi (3,927.68 km) |
| Valley Center to Deer Park (Texas) | 1,311.20 mi (2,110.17 km) |
| Valley Center to Deerfield (Illinois) | 1,699.33 mi (2,734.80 km) |
| Valley Center to Deerfield Beach (Florida) | 2,251.44 mi (3,623.34 km) |
| Valley Center to Defiance (Ohio) | 1,867.11 mi (3,004.83 km) |
| Valley Center to DeForest (Wisconsin) | 1,642.99 mi (2,644.14 km) |
| Valley Center to DeKalb (Illinois) | 1,650.99 mi (2,657.01 km) |
| Valley Center to Del Aire (California) | 91.12 mi (146.64 km) |
| Valley Center to Del City (Oklahoma) | 1,125.31 mi (1,811.01 km) |
| Valley Center to Del Rio (Texas) | 988.07 mi (1,590.15 km) |
| Valley Center to DeLand (Florida) | 2,122.77 mi (3,416.27 km) |
| Valley Center to Delano (California) | 216.81 mi (348.93 km) |
