| Diamond Bar to Petersburg (Virginia) | 2,264.63 mi (3,644.58 km) |
| Diamond Bar to Pflugerville (Texas) | 1,204.56 mi (1,938.55 km) |
| Diamond Bar to Pharr (Texas) | 1,289.09 mi (2,074.58 km) |
| Diamond Bar to Phelan (California) | 34.69 mi (55.84 km) |
| Diamond Bar to Phenix City (Alabama) | 1,890.10 mi (3,041.82 km) |
| Diamond Bar to Philadelphia (Pennsylvania) | 2,368.43 mi (3,811.62 km) |
| Diamond Bar to Phillipsburg (New Jersey) | 2,363.27 mi (3,803.31 km) |
| Diamond Bar to Phoenix (Arizona) | 330.14 mi (531.32 km) |
| Diamond Bar to Phoenixville (Pennsylvania) | 2,347.51 mi (3,777.95 km) |
| Diamond Bar to Picayune (Mississippi) | 1,656.34 mi (2,665.62 km) |
| Diamond Bar to Pickerington (Ohio) | 1,964.54 mi (3,161.63 km) |
| Diamond Bar to Pico Rivera (California) | 15.63 mi (25.16 km) |
| Diamond Bar to Piedmont (California) | 361.56 mi (581.88 km) |
| Diamond Bar to Pierre (South Dakota) | 1,175.53 mi (1,891.83 km) |
| Diamond Bar to Pike Creek Valley (Delaware) | 2,339.80 mi (3,765.54 km) |
