| Sumter to Brown Deer (Wisconsin) | 757.51 mi (1,219.09 km) |
| Sumter to Brownsburg (Indiana) | 524.55 mi (844.18 km) |
| Sumter to Brownsville (Florida) | 560.94 mi (902.75 km) |
| Sumter to Brownsville (Texas) | 1,157.21 mi (1,862.36 km) |
| Sumter to Brownwood (Texas) | 1,088.35 mi (1,751.54 km) |
| Sumter to Brunswick (Georgia) | 203.08 mi (326.83 km) |
| Sumter to Brunswick (Ohio) | 510.87 mi (822.17 km) |
| Sumter to Brushy Creek (Texas) | 1,039.71 mi (1,673.26 km) |
| Sumter to Bryan (Texas) | 959.59 mi (1,544.31 km) |
| Sumter to Bryant (Arkansas) | 691.90 mi (1,113.50 km) |
| Sumter to Bryn Mawr-Skyway (Washington) | 2,348.32 mi (3,779.26 km) |
| Sumter to Buckeye (Arizona) | 1,846.75 mi (2,972.06 km) |
| Sumter to Buckhall (Virginia) | 368.95 mi (593.77 km) |
| Sumter to Bucyrus (Ohio) | 495.02 mi (796.66 km) |
| Sumter to Buda (Texas) | 1,055.49 mi (1,698.65 km) |
