| Sumter to Willow Grove (Pennsylvania) | 518.04 mi (833.71 km) |
| Sumter to Willowbrook (California) | 2,156.80 mi (3,471.04 km) |
| Sumter to Willowick (Ohio) | 534.89 mi (860.82 km) |
| Sumter to Wilmette (Illinois) | 689.04 mi (1,108.90 km) |
| Sumter to Wilmington (Delaware) | 482.19 mi (776.01 km) |
| Sumter to Wilmington (North Carolina) | 144.65 mi (232.80 km) |
| Sumter to Wilmington (Ohio) | 424.39 mi (682.99 km) |
| Sumter to Wilmington Island (Georgia) | 137.95 mi (222.01 km) |
| Sumter to Wilson (North Carolina) | 186.71 mi (300.48 km) |
| Sumter to Wilsonville (Oregon) | 2,357.01 mi (3,793.25 km) |
| Sumter to Wilton Manors (Florida) | 537.75 mi (865.43 km) |
| Sumter to Wimauma (Florida) | 445.95 mi (717.69 km) |
| Sumter to Winchester (Kentucky) | 351.90 mi (566.34 km) |
| Sumter to Winchester (Nevada) | 1,960.95 mi (3,155.85 km) |
| Sumter to Winchester (Virginia) | 382.00 mi (614.77 km) |
