| Boulder City to Barking | 5,237.02 mi (8,428.17 km) |
| Boulder City to Barnet | 5,223.21 mi (8,405.94 km) |
| Boulder City to Barnoldswick | 5,059.17 mi (8,141.94 km) |
| Boulder City to Barnsley | 5,097.38 mi (8,203.45 km) |
| Boulder City to Barnstaple | 5,118.96 mi (8,238.18 km) |
| Boulder City to Barrhead | 4,910.32 mi (7,902.39 km) |
| Boulder City to Barri | 5,131.89 mi (8,258.98 km) |
| Boulder City to Barrow in Furness | 5,017.74 mi (8,075.27 km) |
| Boulder City to Barton upon Humber | 5,124.23 mi (8,246.65 km) |
| Boulder City to Barton upon Irwell | 5,072.65 mi (8,163.64 km) |
| Boulder City to Barwell | 5,144.90 mi (8,279.92 km) |
| Boulder City to Basford | 5,132.58 mi (8,260.09 km) |
| Boulder City to Basildon | 5,248.53 mi (8,446.69 km) |
| Boulder City to Basingstoke | 5,210.90 mi (8,386.13 km) |
| Boulder City to Bath | 5,163.55 mi (8,309.93 km) |
