| Middlesex to Buena Park (California) | 2,413.20 mi (3,883.67 km) |
| Middlesex to Buenaventura Lakes (Florida) | 930.66 mi (1,497.75 km) |
| Middlesex to Buffalo (Minnesota) | 1,027.79 mi (1,654.06 km) |
| Middlesex to Buffalo (New York) | 275.80 mi (443.86 km) |
| Middlesex to Buffalo Grove (Illinois) | 705.79 mi (1,135.86 km) |
| Middlesex to Buford (Georgia) | 685.26 mi (1,102.81 km) |
| Middlesex to Bull Run (Virginia) | 202.83 mi (326.42 km) |
| Middlesex to Bullhead City (Arizona) | 2,197.81 mi (3,537.03 km) |
| Middlesex to Burbank (California) | 2,420.67 mi (3,895.69 km) |
| Middlesex to Burbank (Illinois) | 694.18 mi (1,117.17 km) |
| Middlesex to Burien (Washington) | 2,384.84 mi (3,838.03 km) |
| Middlesex to Burkburnett (Texas) | 1,391.20 mi (2,238.92 km) |
| Middlesex to Burke (Virginia) | 192.32 mi (309.51 km) |
| Middlesex to Burke Centre (Virginia) | 193.23 mi (310.97 km) |
| Middlesex to Burleson (Texas) | 1,379.02 mi (2,219.32 km) |
