| Boulder City to Benisa | 5,825.38 mi (9,375.04 km) |
| Boulder City to Berga | 5,735.69 mi (9,230.70 km) |
| Boulder City to Berja | 5,788.73 mi (9,316.05 km) |
| Boulder City to Bermeo | 5,501.94 mi (8,854.51 km) |
| Boulder City to Berriozar | 5,568.58 mi (8,961.77 km) |
| Boulder City to Betanzos | 5,292.85 mi (8,518.01 km) |
| Boulder City to Betera | 5,764.19 mi (9,276.56 km) |
| Boulder City to Bilbao | 5,501.65 mi (8,854.05 km) |
| Boulder City to Binefar | 5,689.09 mi (9,155.71 km) |
| Boulder City to Binisalem | 5,888.17 mi (9,476.10 km) |
| Boulder City to Blanes | 5,791.27 mi (9,320.15 km) |
| Boulder City to Boadilla del Monte | 5,590.97 mi (8,997.80 km) |
| Boulder City to Boiro | 5,291.08 mi (8,515.18 km) |
| Boulder City to Bolanos de Calatrava | 5,665.26 mi (9,117.36 km) |
| Boulder City to Bollullos de la Mitacion | 5,632.51 mi (9,064.65 km) |
