| Sumter to Bonham (Texas) | 906.81 mi (1,459.37 km) |
| Sumter to Bonita (California) | 2,106.24 mi (3,389.66 km) |
| Sumter to Bonita Springs (Florida) | 530.51 mi (853.77 km) |
| Sumter to Bonney Lake (Washington) | 2,342.05 mi (3,769.16 km) |
| Sumter to Boone (Iowa) | 921.86 mi (1,483.59 km) |
| Sumter to Boone (North Carolina) | 172.71 mi (277.94 km) |
| Sumter to Borger (Texas) | 1,195.55 mi (1,924.05 km) |
| Sumter to Bossier City (Louisiana) | 772.82 mi (1,243.73 km) |
| Sumter to Boston (Massachusetts) | 767.86 mi (1,235.75 km) |
| Sumter to Bostonia (California) | 2,099.31 mi (3,378.52 km) |
| Sumter to Bothell (Washington) | 2,349.41 mi (3,781.01 km) |
| Sumter to Bothell East (Washington) | 2,348.83 mi (3,780.08 km) |
| Sumter to Bothell West (Washington) | 2,351.38 mi (3,784.18 km) |
| Sumter to Boulder (Colorado) | 1,429.62 mi (2,300.75 km) |
| Sumter to Boulder City (Nevada) | 1,951.39 mi (3,140.46 km) |
