| Rockwall to Decatur (Alabama) | 554.45 mi (892.30 km) |
| Rockwall to Decatur (Georgia) | 702.85 mi (1,131.13 km) |
| Rockwall to Decatur (Illinois) | 635.12 mi (1,022.13 km) |
| Rockwall to Deer Park (New York) | 1,383.03 mi (2,225.77 km) |
| Rockwall to Deer Park (Texas) | 236.23 mi (380.18 km) |
| Rockwall to Deerfield (Illinois) | 792.53 mi (1,275.45 km) |
| Rockwall to Deerfield Beach (Florida) | 1,079.29 mi (1,736.94 km) |
| Rockwall to Defiance (Ohio) | 879.67 mi (1,415.69 km) |
| Rockwall to DeForest (Wisconsin) | 809.59 mi (1,302.91 km) |
| Rockwall to DeKalb (Illinois) | 751.56 mi (1,209.51 km) |
| Rockwall to Del Aire (California) | 1,264.33 mi (2,034.74 km) |
| Rockwall to Del City (Oklahoma) | 184.06 mi (296.22 km) |
| Rockwall to Del Rio (Texas) | 359.16 mi (578.01 km) |
| Rockwall to DeLand (Florida) | 935.99 mi (1,506.32 km) |
| Rockwall to Delano (California) | 1,313.96 mi (2,114.61 km) |
