| Romeoville to Baraboo (Wisconsin) | 151.89 mi (244.44 km) |
| Romeoville to Barberton (Ohio) | 339.73 mi (546.74 km) |
| Romeoville to Bardstown (Kentucky) | 298.64 mi (480.61 km) |
| Romeoville to Barrington (Illinois) | 35.94 mi (57.84 km) |
| Romeoville to Barstow (California) | 1,630.05 mi (2,623.31 km) |
| Romeoville to Bartlesville (Oklahoma) | 539.01 mi (867.45 km) |
| Romeoville to Bartlett (Illinois) | 24.71 mi (39.77 km) |
| Romeoville to Bartlett (Tennessee) | 451.73 mi (726.99 km) |
| Romeoville to Bartow (Florida) | 1,013.60 mi (1,631.23 km) |
| Romeoville to Batavia (Illinois) | 18.48 mi (29.74 km) |
| Romeoville to Batavia (New York) | 515.20 mi (829.13 km) |
| Romeoville to Batesville (Arkansas) | 447.32 mi (719.90 km) |
| Romeoville to Baton Rouge (Louisiana) | 791.32 mi (1,273.51 km) |
| Romeoville to Battle Creek (Michigan) | 154.47 mi (248.59 km) |
| Romeoville to Battle Ground (Washington) | 1,730.19 mi (2,784.48 km) |
