| Cahokia to Brown Deer (Wisconsin) | 338.62 mi (544.96 km) |
| Cahokia to Brownsburg (Indiana) | 221.34 mi (356.21 km) |
| Cahokia to Brownsville (Florida) | 1,053.37 mi (1,695.23 km) |
| Cahokia to Brownsville (Texas) | 965.97 mi (1,554.59 km) |
| Cahokia to Brownwood (Texas) | 685.81 mi (1,103.71 km) |
| Cahokia to Brunswick (Georgia) | 710.94 mi (1,144.14 km) |
| Cahokia to Brunswick (Ohio) | 479.98 mi (772.45 km) |
| Cahokia to Brushy Creek (Texas) | 702.71 mi (1,130.91 km) |
| Cahokia to Bryan (Texas) | 649.44 mi (1,045.17 km) |
| Cahokia to Bryant (Arkansas) | 301.52 mi (485.24 km) |
| Cahokia to Bryn Mawr-Skyway (Washington) | 1,718.00 mi (2,764.85 km) |
| Cahokia to Buckeye (Arizona) | 1,301.08 mi (2,093.88 km) |
| Cahokia to Buckhall (Virginia) | 686.59 mi (1,104.96 km) |
| Cahokia to Bucyrus (Ohio) | 413.15 mi (664.90 km) |
| Cahokia to Buda (Texas) | 731.19 mi (1,176.74 km) |
