| Potomac to Dallas (Oregon) | 2,371.43 mi (3,816.45 km) |
| Potomac to Dallas (Texas) | 1,173.68 mi (1,888.85 km) |
| Potomac to Dalton (Georgia) | 520.02 mi (836.89 km) |
| Potomac to Daly City (California) | 2,429.31 mi (3,909.59 km) |
| Potomac to Damascus (Maryland) | 17.69 mi (28.47 km) |
| Potomac to Damascus (Oregon) | 2,325.68 mi (3,742.82 km) |
| Potomac to Dana Point (California) | 2,270.22 mi (3,653.57 km) |
| Potomac to Danbury (Connecticut) | 256.49 mi (412.78 km) |
| Potomac to Dania Beach (Florida) | 911.49 mi (1,466.90 km) |
| Potomac to Danville (California) | 2,400.71 mi (3,863.58 km) |
| Potomac to Danville (Illinois) | 559.85 mi (901.00 km) |
| Potomac to Danville (Indiana) | 499.46 mi (803.80 km) |
| Potomac to Danville (Kentucky) | 421.69 mi (678.64 km) |
| Potomac to Danville (Virginia) | 206.94 mi (333.03 km) |
| Potomac to Daphne (Alabama) | 837.49 mi (1,347.81 km) |
