| Sumter to Hutchinson (Kansas) | 1,017.91 mi (1,638.17 km) |
| Sumter to Hutchinson (Minnesota) | 1,059.71 mi (1,705.43 km) |
| Sumter to Hutto (Texas) | 1,028.12 mi (1,654.60 km) |
| Sumter to Hyattsville (Maryland) | 396.05 mi (637.37 km) |
| Sumter to Hybla Valley (Virginia) | 379.88 mi (611.36 km) |
| Sumter to Idaho Falls (Idaho) | 1,815.60 mi (2,921.92 km) |
| Sumter to Idylwood (Virginia) | 385.16 mi (619.85 km) |
| Sumter to Ilchester (Maryland) | 416.45 mi (670.21 km) |
| Sumter to Immokalee (Florida) | 522.80 mi (841.36 km) |
| Sumter to Imperial (California) | 2,020.92 mi (3,252.36 km) |
| Sumter to Imperial Beach (California) | 2,112.71 mi (3,400.08 km) |
| Sumter to Independence (Kentucky) | 416.14 mi (669.72 km) |
| Sumter to Independence (Missouri) | 851.53 mi (1,370.41 km) |
| Sumter to Indian Trail (North Carolina) | 79.43 mi (127.83 km) |
| Sumter to Indiana (Pennsylvania) | 466.71 mi (751.10 km) |
