| Petersburg to Brown Deer (Wisconsin) | 693.50 mi (1,116.09 km) |
| Petersburg to Brownsburg (Indiana) | 518.62 mi (834.64 km) |
| Petersburg to Brownsville (Florida) | 804.07 mi (1,294.02 km) |
| Petersburg to Brownsville (Texas) | 1,407.33 mi (2,264.88 km) |
| Petersburg to Brownwood (Texas) | 1,283.59 mi (2,065.74 km) |
| Petersburg to Brunswick (Georgia) | 479.20 mi (771.20 km) |
| Petersburg to Brunswick (Ohio) | 366.20 mi (589.35 km) |
| Petersburg to Brushy Creek (Texas) | 1,252.42 mi (2,015.58 km) |
| Petersburg to Bryan (Texas) | 1,175.87 mi (1,892.39 km) |
| Petersburg to Bryant (Arkansas) | 862.74 mi (1,388.45 km) |
| Petersburg to Bryn Mawr-Skyway (Washington) | 2,361.51 mi (3,800.48 km) |
| Petersburg to Buckeye (Arizona) | 1,992.87 mi (3,207.22 km) |
| Petersburg to Buckhall (Virginia) | 105.04 mi (169.04 km) |
| Petersburg to Bucyrus (Ohio) | 389.32 mi (626.55 km) |
| Petersburg to Buda (Texas) | 1,272.26 mi (2,047.50 km) |
