| Diamond Bar to Cuenca | 5,880.98 mi (9,464.52 km) |
| Diamond Bar to Cuevas del Almanzora | 6,019.26 mi (9,687.06 km) |
| Diamond Bar to Cullera | 5,997.80 mi (9,652.52 km) |
| Diamond Bar to Culleredo | 5,491.05 mi (8,837.00 km) |
| Diamond Bar to Cunit | 5,974.39 mi (9,614.85 km) |
| Diamond Bar to Daganzo de Arriba | 5,807.40 mi (9,346.10 km) |
| Diamond Bar to Daimiel | 5,866.62 mi (9,441.41 km) |
| Diamond Bar to Don Benito | 5,779.96 mi (9,301.95 km) |
| Diamond Bar to Donostia | 5,739.07 mi (9,236.15 km) |
| Diamond Bar to Dos Hermanas | 5,850.65 mi (9,415.70 km) |
| Diamond Bar to Durango | 5,721.27 mi (9,207.49 km) |
| Diamond Bar to Ecija | 5,875.09 mi (9,455.05 km) |
| Diamond Bar to Ejea de los Caballeros | 5,825.68 mi (9,375.52 km) |
| Diamond Bar to El Alamo | 5,799.90 mi (9,334.03 km) |
| Diamond Bar to El Arahal | 5,867.17 mi (9,442.31 km) |
