| Youngsville to Des Plaines (Illinois) | 855.69 mi (1,377.11 km) |
| Youngsville to Desert Hot Springs (California) | 1,458.71 mi (2,347.56 km) |
| Youngsville to DeSoto (Texas) | 335.15 mi (539.37 km) |
| Youngsville to Destin (Florida) | 330.49 mi (531.87 km) |
| Youngsville to Destrehan (Louisiana) | 97.89 mi (157.54 km) |
| Youngsville to Detroit (Michigan) | 981.72 mi (1,579.92 km) |
| Youngsville to Diamond Bar (California) | 1,531.71 mi (2,465.05 km) |
| Youngsville to Diamond Springs (California) | 1,739.56 mi (2,799.55 km) |
| Youngsville to Dickinson (North Dakota) | 1,296.14 mi (2,085.94 km) |
| Youngsville to Dickinson (Texas) | 188.90 mi (304.01 km) |
| Youngsville to Dickson (Tennessee) | 491.63 mi (791.20 km) |
| Youngsville to Difficult Run (Virginia) | 1,030.28 mi (1,658.07 km) |
| Youngsville to Dinuba (California) | 1,637.29 mi (2,634.97 km) |
| Youngsville to Discovery Bay (California) | 1,770.71 mi (2,849.68 km) |
| Youngsville to Dix Hills (New York) | 1,280.18 mi (2,060.25 km) |
