| Sumter to Dover (New Hampshire) | 818.78 mi (1,317.70 km) |
| Sumter to Dover (New Jersey) | 576.61 mi (927.96 km) |
| Sumter to Dover (Ohio) | 459.31 mi (739.19 km) |
| Sumter to Downers Grove (Illinois) | 683.14 mi (1,099.42 km) |
| Sumter to Downey (California) | 2,150.70 mi (3,461.21 km) |
| Sumter to Dranesville (Virginia) | 387.59 mi (623.77 km) |
| Sumter to Draper (Utah) | 1,779.34 mi (2,863.57 km) |
| Sumter to Drexel Heights (Arizona) | 1,773.25 mi (2,853.77 km) |
| Sumter to Drexel Hill (Pennsylvania) | 501.21 mi (806.62 km) |
| Sumter to Duarte (California) | 2,137.69 mi (3,440.29 km) |
| Sumter to Dublin (California) | 2,320.63 mi (3,734.69 km) |
| Sumter to Dublin (Georgia) | 175.66 mi (282.70 km) |
| Sumter to Dublin (Ohio) | 452.60 mi (728.38 km) |
| Sumter to Dubuque (Iowa) | 813.23 mi (1,308.77 km) |
| Sumter to Duluth (Georgia) | 215.27 mi (346.44 km) |
