| Sozopol to Burlingame (California) | 6,597.29 mi (10,617.32 km) |
| Sozopol to Burlington (Iowa) | 5,536.53 mi (8,910.18 km) |
| Sozopol to Burlington (Kentucky) | 5,397.31 mi (8,686.13 km) |
| Sozopol to Burlington (North Carolina) | 5,335.97 mi (8,587.42 km) |
| Sozopol to Burlington (Vermont) | 4,706.08 mi (7,573.70 km) |
| Sozopol to Burlington (Wisconsin) | 5,342.29 mi (8,597.58 km) |
| Sozopol to Burnsville (Minnesota) | 5,400.29 mi (8,690.92 km) |
| Sozopol to Burr Ridge (Illinois) | 5,376.89 mi (8,653.27 km) |
| Sozopol to Burton (Michigan) | 5,161.96 mi (8,307.36 km) |
| Sozopol to Burtonsville (Maryland) | 5,091.52 mi (8,194.00 km) |
| Sozopol to Butler (Pennsylvania) | 5,125.81 mi (8,249.19 km) |
| Sozopol to Butte (Montana) | 5,866.38 mi (9,441.03 km) |
| Sozopol to Byram (Mississippi) | 5,956.37 mi (9,585.86 km) |
| Sozopol to Cabot (Arkansas) | 5,874.75 mi (9,454.50 km) |
| Sozopol to Cadillac (Michigan) | 5,164.65 mi (8,311.70 km) |
