| Diamond Bar to Cottage Grove (Minnesota) | 1,515.51 mi (2,438.98 km) |
| Diamond Bar to Cottage Grove (Oregon) | 732.82 mi (1,179.36 km) |
| Diamond Bar to Cottage Lake (Washington) | 975.17 mi (1,569.39 km) |
| Diamond Bar to Cottonwood (Arizona) | 335.31 mi (539.63 km) |
| Diamond Bar to Cottonwood Heights (Utah) | 563.28 mi (906.52 km) |
| Diamond Bar to Council Bluffs (Iowa) | 1,297.34 mi (2,087.87 km) |
| Diamond Bar to Country Club (Florida) | 2,299.27 mi (3,700.32 km) |
| Diamond Bar to Country Club Hills (Illinois) | 1,714.26 mi (2,758.83 km) |
| Diamond Bar to Country Walk (Florida) | 2,300.54 mi (3,702.36 km) |
| Diamond Bar to Covina (California) | 7.33 mi (11.80 km) |
| Diamond Bar to Covington (Georgia) | 1,941.48 mi (3,124.51 km) |
| Diamond Bar to Covington (Kentucky) | 1,870.73 mi (3,010.65 km) |
| Diamond Bar to Covington (Louisiana) | 1,632.11 mi (2,626.63 km) |
| Diamond Bar to Covington (Washington) | 950.15 mi (1,529.12 km) |
| Diamond Bar to Cranston (Rhode Island) | 2,551.13 mi (4,105.65 km) |
