| Gunbarrel to Brown Deer (Wisconsin) | 912.08 mi (1,467.86 km) |
| Gunbarrel to Brownsburg (Indiana) | 993.46 mi (1,598.82 km) |
| Gunbarrel to Brownsville (Florida) | 1,738.82 mi (2,798.36 km) |
| Gunbarrel to Brownsville (Texas) | 1,068.53 mi (1,719.63 km) |
| Gunbarrel to Brownwood (Texas) | 672.71 mi (1,082.62 km) |
| Gunbarrel to Brunswick (Georgia) | 1,460.84 mi (2,351.00 km) |
| Gunbarrel to Brunswick (Ohio) | 1,223.07 mi (1,968.33 km) |
| Gunbarrel to Brushy Creek (Texas) | 781.05 mi (1,256.98 km) |
| Gunbarrel to Bryan (Texas) | 815.75 mi (1,312.82 km) |
| Gunbarrel to Bryant (Arkansas) | 790.66 mi (1,272.44 km) |
| Gunbarrel to Bryn Mawr-Skyway (Washington) | 991.16 mi (1,595.11 km) |
| Gunbarrel to Buckeye (Arizona) | 616.82 mi (992.68 km) |
| Gunbarrel to Buckhall (Virginia) | 1,477.23 mi (2,377.38 km) |
| Gunbarrel to Bucyrus (Ohio) | 1,165.48 mi (1,875.66 km) |
| Gunbarrel to Buda (Texas) | 804.05 mi (1,294.00 km) |
