| Boulder City to Belvedere Marittimo | 6,355.44 mi (10,228.09 km) |
| Boulder City to Benevento | 6,237.84 mi (10,038.83 km) |
| Boulder City to Bergamo | 5,831.66 mi (9,385.14 km) |
| Boulder City to Bernalda | 6,338.02 mi (10,200.06 km) |
| Boulder City to Bertinoro | 5,991.36 mi (9,642.16 km) |
| Boulder City to Besana in Brianza | 5,818.86 mi (9,364.55 km) |
| Boulder City to Besozzo | 5,791.12 mi (9,319.91 km) |
| Boulder City to Biancavilla | 6,428.77 mi (10,346.10 km) |
| Boulder City to Biassono | 5,821.72 mi (9,369.16 km) |
| Boulder City to Bibbiano | 5,910.48 mi (9,512.00 km) |
| Boulder City to Bibbiena | 6,004.77 mi (9,663.75 km) |
| Boulder City to Biella | 5,785.71 mi (9,311.20 km) |
| Boulder City to Bisceglie | 6,287.00 mi (10,117.95 km) |
| Boulder City to Bisignano | 6,374.49 mi (10,258.75 km) |
| Boulder City to Bitetto | 6,306.25 mi (10,148.93 km) |
