| Boulder City to Irun | 5,541.40 mi (8,918.03 km) |
| Boulder City to Isla-Cristina | 5,587.41 mi (8,992.07 km) |
| Boulder City to Jaca | 5,624.40 mi (9,051.59 km) |
| Boulder City to Jaen | 5,712.90 mi (9,194.03 km) |
| Boulder City to Jerez de la Frontera | 5,660.74 mi (9,110.09 km) |
| Boulder City to Jerez de los Caballeros | 5,562.60 mi (8,952.14 km) |
| Boulder City to Jodar | 5,727.41 mi (9,217.38 km) |
| Boulder City to Jumilla | 5,780.99 mi (9,303.60 km) |
| Boulder City to La Algaba | 5,633.10 mi (9,065.60 km) |
| Boulder City to La Baneza | 5,426.91 mi (8,733.77 km) |
| Boulder City to La Carlota | 5,668.71 mi (9,122.90 km) |
| Boulder City to La Carolina | 5,696.94 mi (9,168.33 km) |
| Boulder City to La Corredoria | 5,383.34 mi (8,663.64 km) |
| Boulder City to La Eliana | 5,762.80 mi (9,274.33 km) |
| Boulder City to La Escala | 5,782.93 mi (9,306.72 km) |
