| Diamond Bar to Parma Heights (Ohio) | 2,020.36 mi (3,251.45 km) |
| Diamond Bar to Parole (Maryland) | 2,298.04 mi (3,698.34 km) |
| Diamond Bar to Parsippany (New Jersey) | 2,402.85 mi (3,867.01 km) |
| Diamond Bar to Pasadena (California) | 21.55 mi (34.68 km) |
| Diamond Bar to Pasadena (Maryland) | 2,297.06 mi (3,696.76 km) |
| Diamond Bar to Pasadena (Texas) | 1,360.94 mi (2,190.23 km) |
| Diamond Bar to Pasadena Hills (Florida) | 2,129.66 mi (3,427.35 km) |
| Diamond Bar to Pascagoula (Mississippi) | 1,723.73 mi (2,774.08 km) |
| Diamond Bar to Pasco (Washington) | 849.30 mi (1,366.82 km) |
| Diamond Bar to Passaic (New Jersey) | 2,417.76 mi (3,891.01 km) |
| Diamond Bar to Pataskala (Ohio) | 1,967.44 mi (3,166.28 km) |
| Diamond Bar to Patchogue (New York) | 2,476.08 mi (3,984.87 km) |
| Diamond Bar to Paterson (New Jersey) | 2,415.77 mi (3,887.80 km) |
| Diamond Bar to Patterson (California) | 304.48 mi (490.01 km) |
| Diamond Bar to Pawtucket (Rhode Island) | 2,556.42 mi (4,114.16 km) |
