| Kostinbrod to Black Forest (Colorado) | 5,907.45 mi (9,507.13 km) |
| Kostinbrod to Blackfoot (Idaho) | 5,887.97 mi (9,475.78 km) |
| Kostinbrod to Blackhawk (California) | 6,450.85 mi (10,381.63 km) |
| Kostinbrod to Blacksburg (Virginia) | 5,122.01 mi (8,243.07 km) |
| Kostinbrod to Blackwells Mills (New Jersey) | 4,737.86 mi (7,624.85 km) |
| Kostinbrod to Blaine (Minnesota) | 5,210.45 mi (8,385.41 km) |
| Kostinbrod to Bloomingdale (Florida) | 5,643.33 mi (9,082.06 km) |
| Kostinbrod to Bloomingdale (Illinois) | 5,193.11 mi (8,357.50 km) |
| Kostinbrod to Bloomington (California) | 6,571.42 mi (10,575.69 km) |
| Kostinbrod to Bloomington (Illinois) | 5,297.75 mi (8,525.90 km) |
| Kostinbrod to Bloomington (Indiana) | 5,270.70 mi (8,482.37 km) |
| Kostinbrod to Bloomington (Minnesota) | 5,231.23 mi (8,418.84 km) |
| Kostinbrod to Bloomsburg (Pennsylvania) | 4,790.58 mi (7,709.69 km) |
| Kostinbrod to Blue Ash (Ohio) | 5,184.35 mi (8,343.40 km) |
| Kostinbrod to Blue Island (Illinois) | 5,192.46 mi (8,356.46 km) |
