| Rock Hill to Blue Island (Illinois) | 587.50 mi (945.49 km) |
| Rock Hill to Blue Springs (Missouri) | 782.54 mi (1,259.38 km) |
| Rock Hill to Bluffdale (Utah) | 1,723.13 mi (2,773.11 km) |
| Rock Hill to Bluffton (Indiana) | 460.17 mi (740.58 km) |
| Rock Hill to Bluffton (South Carolina) | 188.56 mi (303.46 km) |
| Rock Hill to Blythe (California) | 1,911.13 mi (3,075.67 km) |
| Rock Hill to Blytheville (Arkansas) | 504.43 mi (811.80 km) |
| Rock Hill to Boca Raton (Florida) | 594.36 mi (956.54 km) |
| Rock Hill to Boerne (Texas) | 1,091.15 mi (1,756.03 km) |
| Rock Hill to Bogalusa (Louisiana) | 587.70 mi (945.80 km) |
| Rock Hill to Boiling Springs (South Carolina) | 54.46 mi (87.64 km) |
| Rock Hill to Boise (Idaho) | 1,959.20 mi (3,153.03 km) |
| Rock Hill to Bolingbrook (Illinois) | 603.40 mi (971.07 km) |
| Rock Hill to Bolivar (Missouri) | 713.86 mi (1,148.85 km) |
| Rock Hill to Bon Air (Virginia) | 262.15 mi (421.88 km) |
