| Risca to Decatur (Georgia) | 4,078.45 mi (6,563.64 km) |
| Risca to Decatur (Illinois) | 3,974.98 mi (6,397.12 km) |
| Risca to Deer Park (New York) | 3,307.32 mi (5,322.61 km) |
| Risca to Deer Park (Texas) | 4,721.60 mi (7,598.68 km) |
| Risca to Deerfield (Illinois) | 3,826.22 mi (6,157.71 km) |
| Risca to Deerfield Beach (Florida) | 4,271.45 mi (6,874.23 km) |
| Risca to Defiance (Ohio) | 3,730.47 mi (6,003.62 km) |
| Risca to DeForest (Wisconsin) | 3,834.65 mi (6,171.27 km) |
| Risca to DeKalb (Illinois) | 3,871.39 mi (6,230.40 km) |
| Risca to Del Aire (California) | 5,351.37 mi (8,612.19 km) |
| Risca to Del City (Oklahoma) | 4,519.07 mi (7,272.74 km) |
| Risca to Del Rio (Texas) | 4,966.20 mi (7,992.32 km) |
| Risca to DeLand (Florida) | 4,185.08 mi (6,735.23 km) |
| Risca to Delano (California) | 5,275.89 mi (8,490.73 km) |
| Risca to Delaware (Ohio) | 3,724.16 mi (5,993.46 km) |
