| Boulder City to Cuenca | 5,675.42 mi (9,133.70 km) |
| Boulder City to Cuevas del Almanzora | 5,812.89 mi (9,354.95 km) |
| Boulder City to Cullera | 5,792.38 mi (9,321.94 km) |
| Boulder City to Culleredo | 5,285.28 mi (8,505.84 km) |
| Boulder City to Cunit | 5,770.39 mi (9,286.54 km) |
| Boulder City to Daganzo de Arriba | 5,601.70 mi (9,015.06 km) |
| Boulder City to Daimiel | 5,660.42 mi (9,109.56 km) |
| Boulder City to Don Benito | 5,573.34 mi (8,969.43 km) |
| Boulder City to Donostia | 5,534.93 mi (8,907.61 km) |
| Boulder City to Dos Hermanas | 5,643.68 mi (9,082.62 km) |
| Boulder City to Durango | 5,516.86 mi (8,878.53 km) |
| Boulder City to Ecija | 5,668.27 mi (9,122.20 km) |
| Boulder City to Ejea de los Caballeros | 5,621.23 mi (9,046.49 km) |
| Boulder City to El Alamo | 5,593.98 mi (9,002.63 km) |
| Boulder City to El Arahal | 5,660.24 mi (9,109.28 km) |
