| Youngsville to Decatur (Alabama) | 425.42 mi (684.65 km) |
| Youngsville to Decatur (Georgia) | 517.79 mi (833.31 km) |
| Youngsville to Decatur (Illinois) | 696.11 mi (1,120.29 km) |
| Youngsville to Deer Park (New York) | 1,279.51 mi (2,059.17 km) |
| Youngsville to Deer Park (Texas) | 188.88 mi (303.98 km) |
| Youngsville to Deerfield (Illinois) | 865.08 mi (1,392.21 km) |
| Youngsville to Deerfield Beach (Florida) | 768.24 mi (1,236.36 km) |
| Youngsville to Defiance (Ohio) | 882.63 mi (1,420.46 km) |
| Youngsville to DeForest (Wisconsin) | 919.16 mi (1,479.25 km) |
| Youngsville to DeKalb (Illinois) | 837.46 mi (1,347.76 km) |
| Youngsville to Del Aire (California) | 1,563.11 mi (2,515.58 km) |
| Youngsville to Del City (Oklahoma) | 486.40 mi (782.79 km) |
| Youngsville to Del Rio (Texas) | 535.18 mi (861.29 km) |
| Youngsville to DeLand (Florida) | 647.65 mi (1,042.29 km) |
| Youngsville to Delano (California) | 1,623.28 mi (2,612.41 km) |
