| Valley Center to Delaware (Ohio) | 1,928.16 mi (3,103.08 km) |
| Valley Center to Delhi (California) | 359.14 mi (577.98 km) |
| Valley Center to Delray Beach (Florida) | 2,249.86 mi (3,620.79 km) |
| Valley Center to Deltona (Florida) | 2,129.43 mi (3,426.98 km) |
| Valley Center to Deming (New Mexico) | 542.27 mi (872.71 km) |
| Valley Center to Denison (Texas) | 1,176.03 mi (1,892.64 km) |
| Valley Center to Dent (Ohio) | 1,839.72 mi (2,960.74 km) |
| Valley Center to Denton (Texas) | 1,146.94 mi (1,845.82 km) |
| Valley Center to Dentsville (South Carolina) | 2,063.97 mi (3,321.64 km) |
| Valley Center to Denver (Colorado) | 810.10 mi (1,303.73 km) |
| Valley Center to Depew (New York) | 2,167.33 mi (3,487.99 km) |
| Valley Center to Derby (Connecticut) | 2,451.83 mi (3,945.84 km) |
| Valley Center to Derby (Kansas) | 1,149.95 mi (1,850.66 km) |
| Valley Center to Des Moines (Iowa) | 1,402.04 mi (2,256.37 km) |
| Valley Center to Des Moines (Washington) | 1,016.69 mi (1,636.20 km) |
