| Youngsville to Isabela (Puerto Rico) | 1,759.30 mi (2,831.33 km) |
| Youngsville to Iselin (New Jersey) | 1,227.66 mi (1,975.73 km) |
| Youngsville to Isla Vista (California) | 1,649.85 mi (2,655.17 km) |
| Youngsville to Issaquah (Washington) | 1,996.58 mi (3,213.18 km) |
| Youngsville to Ithaca (New York) | 1,209.80 mi (1,946.99 km) |
| Youngsville to Ives Estates (Florida) | 774.51 mi (1,246.45 km) |
| Youngsville to Jackson (Michigan) | 939.09 mi (1,511.31 km) |
| Youngsville to Jackson (Mississippi) | 186.09 mi (299.49 km) |
| Youngsville to Jackson (Missouri) | 520.86 mi (838.25 km) |
| Youngsville to Jackson (Tennessee) | 425.49 mi (684.75 km) |
| Youngsville to Jackson (Wyoming) | 1,384.61 mi (2,228.32 km) |
| Youngsville to Jacksonville (Alabama) | 446.74 mi (718.96 km) |
| Youngsville to Jacksonville (Arkansas) | 330.66 mi (532.15 km) |
| Youngsville to Jacksonville (Florida) | 616.29 mi (991.83 km) |
| Youngsville to Jacksonville (Illinois) | 673.00 mi (1,083.08 km) |
