| Sozopol to Brownsburg (Indiana) | 5,418.30 mi (8,719.91 km) |
| Sozopol to Brownsville (Florida) | 5,865.26 mi (9,439.22 km) |
| Sozopol to Brownsville (Texas) | 6,561.00 mi (10,558.91 km) |
| Sozopol to Brownwood (Texas) | 6,299.78 mi (10,138.52 km) |
| Sozopol to Brunswick (Georgia) | 5,657.01 mi (9,104.08 km) |
| Sozopol to Brunswick (Ohio) | 5,180.28 mi (8,336.85 km) |
| Sozopol to Brushy Creek (Texas) | 6,322.57 mi (10,175.19 km) |
| Sozopol to Bryan (Texas) | 6,265.21 mi (10,082.89 km) |
| Sozopol to Bryant (Arkansas) | 5,910.79 mi (9,512.51 km) |
| Sozopol to Bryn Mawr-Skyway (Washington) | 5,958.75 mi (9,589.68 km) |
| Sozopol to Buckeye (Arizona) | 6,625.73 mi (10,663.08 km) |
| Sozopol to Buckhall (Virginia) | 5,130.13 mi (8,256.14 km) |
| Sozopol to Bucyrus (Ohio) | 5,244.56 mi (8,440.31 km) |
| Sozopol to Buda (Texas) | 6,350.64 mi (10,220.37 km) |
| Sozopol to Buena Park (California) | 6,737.27 mi (10,842.59 km) |
