| Middlesbrough to Black Forest (Colorado) | 4,550.79 mi (7,323.79 km) |
| Middlesbrough to Blackfoot (Idaho) | 4,565.16 mi (7,346.92 km) |
| Middlesbrough to Blackhawk (California) | 5,152.30 mi (8,291.83 km) |
| Middlesbrough to Blacksburg (Virginia) | 3,771.15 mi (6,069.07 km) |
| Middlesbrough to Blackwells Mills (New Jersey) | 3,389.96 mi (5,455.62 km) |
| Middlesbrough to Blaine (Minnesota) | 3,846.92 mi (6,191.01 km) |
| Middlesbrough to Bloomingdale (Florida) | 4,321.89 mi (6,955.41 km) |
| Middlesbrough to Bloomingdale (Illinois) | 3,825.12 mi (6,155.93 km) |
| Middlesbrough to Bloomington (California) | 5,239.98 mi (8,432.93 km) |
| Middlesbrough to Bloomington (Illinois) | 3,930.03 mi (6,324.77 km) |
| Middlesbrough to Bloomington (Indiana) | 3,905.68 mi (6,285.58 km) |
| Middlesbrough to Bloomington (Minnesota) | 3,867.31 mi (6,223.84 km) |
| Middlesbrough to Bloomsburg (Pennsylvania) | 3,436.83 mi (5,531.05 km) |
| Middlesbrough to Blue Ash (Ohio) | 3,821.62 mi (6,150.30 km) |
| Middlesbrough to Blue Island (Illinois) | 3,824.66 mi (6,155.20 km) |
