| Diamond Bar to Oxford (Alabama) | 1,827.02 mi (2,940.30 km) |
| Diamond Bar to Oxford (Mississippi) | 1,611.52 mi (2,593.48 km) |
| Diamond Bar to Oxford (Ohio) | 1,858.99 mi (2,991.75 km) |
| Diamond Bar to Oxnard (California) | 79.30 mi (127.62 km) |
| Diamond Bar to Oxon Hill (Maryland) | 2,276.55 mi (3,663.75 km) |
| Diamond Bar to Ozark (Alabama) | 1,870.48 mi (3,010.25 km) |
| Diamond Bar to Ozark (Missouri) | 1,395.29 mi (2,245.50 km) |
| Diamond Bar to Pace (Florida) | 1,798.25 mi (2,894.00 km) |
| Diamond Bar to Pacific Grove (California) | 293.98 mi (473.12 km) |
| Diamond Bar to Pacifica (California) | 361.20 mi (581.29 km) |
| Diamond Bar to Paducah (Kentucky) | 1,647.36 mi (2,651.17 km) |
| Diamond Bar to Pahrump (Nevada) | 184.88 mi (297.54 km) |
| Diamond Bar to Painesville (Ohio) | 2,047.87 mi (3,295.73 km) |
| Diamond Bar to Palatine (Illinois) | 1,703.82 mi (2,742.03 km) |
| Diamond Bar to Palatka (Florida) | 2,132.10 mi (3,431.29 km) |
