| Youngsville to Dover (New Hampshire) | 1,471.99 mi (2,368.93 km) |
| Youngsville to Dover (New Jersey) | 1,228.12 mi (1,976.47 km) |
| Youngsville to Dover (Ohio) | 931.94 mi (1,499.81 km) |
| Youngsville to Downers Grove (Illinois) | 838.12 mi (1,348.82 km) |
| Youngsville to Downey (California) | 1,549.53 mi (2,493.73 km) |
| Youngsville to Dranesville (Virginia) | 1,032.69 mi (1,661.96 km) |
| Youngsville to Draper (Utah) | 1,325.96 mi (2,133.93 km) |
| Youngsville to Drexel Heights (Arizona) | 1,134.21 mi (1,825.34 km) |
| Youngsville to Drexel Hill (Pennsylvania) | 1,161.06 mi (1,868.55 km) |
| Youngsville to Duarte (California) | 1,540.00 mi (2,478.39 km) |
| Youngsville to Dublin (California) | 1,784.81 mi (2,872.38 km) |
| Youngsville to Dublin (Georgia) | 560.99 mi (902.83 km) |
| Youngsville to Dublin (Ohio) | 852.88 mi (1,372.57 km) |
| Youngsville to Dubuque (Iowa) | 860.00 mi (1,384.04 km) |
| Youngsville to Duluth (Georgia) | 532.80 mi (857.47 km) |
