| Fallbrook to Dallas (Oregon) | 861.64 mi (1,386.68 km) |
| Fallbrook to Dallas (Texas) | 1,183.21 mi (1,904.19 km) |
| Fallbrook to Dalton (Georgia) | 1,840.65 mi (2,962.24 km) |
| Fallbrook to Daly City (California) | 419.22 mi (674.67 km) |
| Fallbrook to Damascus (Maryland) | 2,246.80 mi (3,615.87 km) |
| Fallbrook to Damascus (Oregon) | 877.70 mi (1,412.53 km) |
| Fallbrook to Dana Point (California) | 28.08 mi (45.20 km) |
| Fallbrook to Danbury (Connecticut) | 2,438.35 mi (3,924.15 km) |
| Fallbrook to Dania Beach (Florida) | 2,268.14 mi (3,650.21 km) |
| Fallbrook to Danville (California) | 406.41 mi (654.06 km) |
| Fallbrook to Danville (Illinois) | 1,696.02 mi (2,729.48 km) |
| Fallbrook to Danville (Indiana) | 1,751.83 mi (2,819.30 km) |
| Fallbrook to Danville (Kentucky) | 1,839.45 mi (2,960.32 km) |
| Fallbrook to Danville (Virginia) | 2,138.72 mi (3,441.94 km) |
| Fallbrook to Daphne (Alabama) | 1,724.17 mi (2,774.78 km) |
