| Fallbrook to Dixon (California) | 434.97 mi (700.02 km) |
| Fallbrook to Dixon (Illinois) | 1,618.88 mi (2,605.34 km) |
| Fallbrook to Dobbs Ferry (New York) | 2,418.34 mi (3,891.94 km) |
| Fallbrook to Doctor Phillips (Florida) | 2,134.97 mi (3,435.90 km) |
| Fallbrook to Dodge City (Kansas) | 1,011.88 mi (1,628.46 km) |
| Fallbrook to Dolton (Illinois) | 1,711.31 mi (2,754.09 km) |
| Fallbrook to Donna (Texas) | 1,250.86 mi (2,013.06 km) |
| Fallbrook to Dorado (Puerto Rico) | 3,294.59 mi (5,302.13 km) |
| Fallbrook to Doral (Florida) | 2,263.34 mi (3,642.50 km) |
| Fallbrook to Doraville (Georgia) | 1,887.84 mi (3,038.18 km) |
| Fallbrook to Dothan (Alabama) | 1,856.93 mi (2,988.43 km) |
| Fallbrook to Douglas (Arizona) | 469.43 mi (755.48 km) |
| Fallbrook to Douglas (Georgia) | 1,999.39 mi (3,217.71 km) |
| Fallbrook to Douglasville (Georgia) | 1,864.86 mi (3,001.19 km) |
| Fallbrook to Dover (Delaware) | 2,336.75 mi (3,760.63 km) |
