| Unterwellenborn to Black Forest (Colorado) | 5,133.41 mi (8,261.42 km) |
| Unterwellenborn to Blackfoot (Idaho) | 5,126.47 mi (8,250.26 km) |
| Unterwellenborn to Blackhawk (California) | 5,700.66 mi (9,174.33 km) |
| Unterwellenborn to Blacksburg (Virginia) | 4,364.20 mi (7,023.51 km) |
| Unterwellenborn to Blackwells Mills (New Jersey) | 3,982.03 mi (6,408.47 km) |
| Unterwellenborn to Blaine (Minnesota) | 4,434.84 mi (7,137.18 km) |
| Unterwellenborn to Bloomingdale (Florida) | 4,906.21 mi (7,895.79 km) |
| Unterwellenborn to Bloomingdale (Illinois) | 4,419.57 mi (7,112.60 km) |
| Unterwellenborn to Bloomington (California) | 5,806.94 mi (9,345.37 km) |
| Unterwellenborn to Bloomington (Illinois) | 4,524.84 mi (7,282.03 km) |
| Unterwellenborn to Bloomington (Indiana) | 4,501.23 mi (7,244.03 km) |
| Unterwellenborn to Bloomington (Minnesota) | 4,455.58 mi (7,170.56 km) |
| Unterwellenborn to Bloomsburg (Pennsylvania) | 4,030.52 mi (6,486.50 km) |
| Unterwellenborn to Blue Ash (Ohio) | 4,417.08 mi (7,108.61 km) |
| Unterwellenborn to Blue Island (Illinois) | 4,419.40 mi (7,112.33 km) |
