| Romeoville to Blue Island (Illinois) | 21.69 mi (34.90 km) |
| Romeoville to Blue Springs (Missouri) | 371.99 mi (598.66 km) |
| Romeoville to Bluffdale (Utah) | 1,240.67 mi (1,996.67 km) |
| Romeoville to Bluffton (Indiana) | 164.11 mi (264.11 km) |
| Romeoville to Bluffton (South Carolina) | 761.06 mi (1,224.80 km) |
| Romeoville to Blythe (California) | 1,545.51 mi (2,487.25 km) |
| Romeoville to Blytheville (Arkansas) | 405.61 mi (652.77 km) |
| Romeoville to Boca Raton (Florida) | 1,147.90 mi (1,847.37 km) |
| Romeoville to Boerne (Texas) | 1,010.98 mi (1,627.02 km) |
| Romeoville to Bogalusa (Louisiana) | 756.07 mi (1,216.78 km) |
| Romeoville to Boiling Springs (South Carolina) | 562.85 mi (905.82 km) |
| Romeoville to Boise (Idaho) | 1,429.93 mi (2,301.25 km) |
| Romeoville to Bolingbrook (Illinois) | 4.03 mi (6.49 km) |
| Romeoville to Bolivar (Missouri) | 396.68 mi (638.40 km) |
| Romeoville to Bon Air (Virginia) | 628.00 mi (1,010.66 km) |
