| Diamond Bar to Punta Gorda (Florida) | 2,174.54 mi (3,499.58 km) |
| Diamond Bar to Puyallup (Washington) | 940.01 mi (1,512.79 km) |
| Diamond Bar to Queen Creek (Arizona) | 360.37 mi (579.96 km) |
| Diamond Bar to Queens (New York) | 2,435.44 mi (3,919.47 km) |
| Diamond Bar to Quincy (Illinois) | 1,509.64 mi (2,429.53 km) |
| Diamond Bar to Quincy (Massachusetts) | 2,573.18 mi (4,141.14 km) |
| Diamond Bar to Raceland (Louisiana) | 1,617.07 mi (2,602.43 km) |
| Diamond Bar to Racine (Wisconsin) | 1,722.59 mi (2,772.23 km) |
| Diamond Bar to Radcliff (Kentucky) | 1,794.63 mi (2,888.18 km) |
| Diamond Bar to Radford (Virginia) | 2,091.82 mi (3,366.46 km) |
| Diamond Bar to Rahway (New Jersey) | 2,410.75 mi (3,879.73 km) |
| Diamond Bar to Raleigh (North Carolina) | 2,208.21 mi (3,553.77 km) |
| Diamond Bar to Ramona (California) | 85.17 mi (137.06 km) |
| Diamond Bar to Ramsey (Minnesota) | 1,503.28 mi (2,419.29 km) |
| Diamond Bar to Ramsey (New Jersey) | 2,416.15 mi (3,888.42 km) |
