| Simi Valley to Dallas (Oregon) | 774.96 mi (1,247.18 km) |
| Simi Valley to Dallas (Texas) | 1,267.71 mi (2,040.18 km) |
| Simi Valley to Dalton (Georgia) | 1,914.07 mi (3,080.39 km) |
| Simi Valley to Daly City (California) | 314.72 mi (506.49 km) |
| Simi Valley to Damascus (Maryland) | 2,305.35 mi (3,710.10 km) |
| Simi Valley to Damascus (Oregon) | 795.16 mi (1,279.69 km) |
| Simi Valley to Dana Point (California) | 81.52 mi (131.20 km) |
| Simi Valley to Danbury (Connecticut) | 2,490.44 mi (4,007.98 km) |
| Simi Valley to Dania Beach (Florida) | 2,358.80 mi (3,796.12 km) |
| Simi Valley to Danville (California) | 303.93 mi (489.12 km) |
| Simi Valley to Danville (Illinois) | 1,751.37 mi (2,818.56 km) |
| Simi Valley to Danville (Indiana) | 1,808.84 mi (2,911.05 km) |
| Simi Valley to Danville (Kentucky) | 1,903.84 mi (3,063.94 km) |
| Simi Valley to Danville (Virginia) | 2,205.33 mi (3,549.14 km) |
| Simi Valley to Daphne (Alabama) | 1,810.29 mi (2,913.38 km) |
