| Boulder City to Sabadell | 5,771.64 mi (9,288.56 km) |
| Boulder City to Sabinanigo | 5,632.90 mi (9,065.27 km) |
| Boulder City to Sagunto | 5,767.76 mi (9,282.31 km) |
| Boulder City to Salamanca | 5,494.09 mi (8,841.88 km) |
| Boulder City to Salobrena | 5,766.32 mi (9,280.00 km) |
| Boulder City to Salou | 5,756.81 mi (9,264.68 km) |
| Boulder City to Salt | 5,776.68 mi (9,296.66 km) |
| Boulder City to Salvatierra de Mino | 5,330.94 mi (8,579.31 km) |
| Boulder City to Sama | 5,392.41 mi (8,678.25 km) |
| Boulder City to San Adrian de Besos | 5,781.40 mi (9,304.27 km) |
| Boulder City to San Agustin de Guadalix | 5,589.37 mi (8,995.21 km) |
| Boulder City to San Andres de la Barca | 5,771.50 mi (9,288.33 km) |
| Boulder City to San Andres de Llevaneras | 5,784.53 mi (9,309.30 km) |
| Boulder City to San Andres del Rabanedo | 5,425.16 mi (8,730.96 km) |
| Boulder City to San Bartolome | 5,591.03 mi (8,997.89 km) |
