| Valley Center to Dover (New Hampshire) | 2,562.47 mi (4,123.89 km) |
| Valley Center to Dover (New Jersey) | 2,375.62 mi (3,823.19 km) |
| Valley Center to Dover (Ohio) | 2,012.86 mi (3,239.38 km) |
| Valley Center to Downers Grove (Illinois) | 1,685.95 mi (2,713.28 km) |
| Valley Center to Downey (California) | 80.58 mi (129.68 km) |
| Valley Center to Dranesville (Virginia) | 2,230.51 mi (3,589.66 km) |
| Valley Center to Draper (Utah) | 576.81 mi (928.28 km) |
| Valley Center to Drexel Heights (Arizona) | 355.01 mi (571.34 km) |
| Valley Center to Drexel Hill (Pennsylvania) | 2,338.20 mi (3,762.97 km) |
| Valley Center to Duarte (California) | 83.65 mi (134.62 km) |
| Valley Center to Dublin (California) | 413.82 mi (665.98 km) |
| Valley Center to Dublin (Georgia) | 1,969.61 mi (3,169.77 km) |
| Valley Center to Dublin (Ohio) | 1,923.65 mi (3,095.82 km) |
| Valley Center to Dubuque (Iowa) | 1,562.95 mi (2,515.33 km) |
| Valley Center to Duluth (Georgia) | 1,883.63 mi (3,031.41 km) |
