| Sumter to Isabela (Puerto Rico) | 1,348.02 mi (2,169.43 km) |
| Sumter to Iselin (New Jersey) | 566.70 mi (912.01 km) |
| Sumter to Isla Vista (California) | 2,241.80 mi (3,607.83 km) |
| Sumter to Issaquah (Washington) | 2,339.85 mi (3,765.63 km) |
| Sumter to Ithaca (New York) | 624.26 mi (1,004.64 km) |
| Sumter to Ives Estates (Florida) | 551.23 mi (887.12 km) |
| Sumter to Jackson (Michigan) | 613.60 mi (987.49 km) |
| Sumter to Jackson (Mississippi) | 578.90 mi (931.65 km) |
| Sumter to Jackson (Missouri) | 571.20 mi (919.26 km) |
| Sumter to Jackson (Tennessee) | 493.26 mi (793.83 km) |
| Sumter to Jackson (Wyoming) | 1,753.34 mi (2,821.72 km) |
| Sumter to Jacksonville (Alabama) | 307.66 mi (495.14 km) |
| Sumter to Jacksonville (Arkansas) | 671.83 mi (1,081.21 km) |
| Sumter to Jacksonville (Florida) | 260.25 mi (418.84 km) |
| Sumter to Jacksonville (Illinois) | 674.63 mi (1,085.72 km) |
