| Isabela to Brown Deer (Wisconsin) | 2,096.97 mi (3,374.74 km) |
| Isabela to Brownsburg (Indiana) | 1,871.76 mi (3,012.31 km) |
| Isabela to Brownsville (Florida) | 984.70 mi (1,584.73 km) |
| Isabela to Brownsville (Texas) | 2,008.86 mi (3,232.94 km) |
| Isabela to Brownwood (Texas) | 2,186.74 mi (3,519.23 km) |
| Isabela to Brunswick (Georgia) | 1,256.42 mi (2,022.01 km) |
| Isabela to Brunswick (Ohio) | 1,798.45 mi (2,894.33 km) |
| Isabela to Brushy Creek (Texas) | 2,092.89 mi (3,368.19 km) |
| Isabela to Bryan (Texas) | 2,018.70 mi (3,248.79 km) |
| Isabela to Bryant (Arkansas) | 1,918.49 mi (3,087.51 km) |
| Isabela to Bryn Mawr-Skyway (Washington) | 3,673.81 mi (5,912.43 km) |
| Isabela to Buckeye (Arizona) | 2,988.52 mi (4,809.55 km) |
| Isabela to Buckhall (Virginia) | 1,531.16 mi (2,464.17 km) |
| Isabela to Bucyrus (Ohio) | 1,807.78 mi (2,909.33 km) |
| Isabela to Buda (Texas) | 2,091.01 mi (3,365.15 km) |
