| Sofia to Black Forest (Colorado) | 5,917.35 mi (9,523.05 km) |
| Sofia to Blackfoot (Idaho) | 5,897.84 mi (9,491.66 km) |
| Sofia to Blackhawk (California) | 6,460.64 mi (10,397.39 km) |
| Sofia to Blacksburg (Virginia) | 5,131.42 mi (8,258.23 km) |
| Sofia to Blackwells Mills (New Jersey) | 4,747.25 mi (7,639.96 km) |
| Sofia to Blaine (Minnesota) | 5,220.31 mi (8,401.28 km) |
| Sofia to Bloomingdale (Florida) | 5,652.38 mi (9,096.63 km) |
| Sofia to Bloomingdale (Illinois) | 5,202.85 mi (8,373.18 km) |
| Sofia to Bloomington (California) | 6,581.31 mi (10,591.59 km) |
| Sofia to Bloomington (Illinois) | 5,307.47 mi (8,541.55 km) |
| Sofia to Bloomington (Indiana) | 5,280.34 mi (8,497.89 km) |
| Sofia to Bloomington (Minnesota) | 5,241.08 mi (8,434.71 km) |
| Sofia to Bloomsburg (Pennsylvania) | 4,800.04 mi (7,724.92 km) |
| Sofia to Blue Ash (Ohio) | 5,193.94 mi (8,358.85 km) |
| Sofia to Blue Island (Illinois) | 5,202.19 mi (8,372.11 km) |
