| Diamond Bar to Tacoma (Washington) | 946.37 mi (1,523.04 km) |
| Diamond Bar to Tahlequah (Oklahoma) | 1,297.11 mi (2,087.50 km) |
| Diamond Bar to Takoma Park (Maryland) | 2,273.92 mi (3,659.52 km) |
| Diamond Bar to Talladega (Alabama) | 1,815.94 mi (2,922.47 km) |
| Diamond Bar to Tallahassee (Florida) | 1,968.18 mi (3,167.47 km) |
| Diamond Bar to Tallmadge (Ohio) | 2,037.29 mi (3,278.71 km) |
| Diamond Bar to Tamalpais-Homestead Valley (California) | 376.26 mi (605.53 km) |
| Diamond Bar to Tamarac (Florida) | 2,295.37 mi (3,694.04 km) |
| Diamond Bar to Tamiami (Florida) | 2,299.09 mi (3,700.03 km) |
| Diamond Bar to Tampa (Florida) | 2,124.74 mi (3,419.44 km) |
| Diamond Bar to Tanaina (Alaska) | 2,361.19 mi (3,799.96 km) |
| Diamond Bar to Tanque Verde (Arizona) | 426.20 mi (685.90 km) |
| Diamond Bar to Tarboro (North Carolina) | 2,267.64 mi (3,649.41 km) |
| Diamond Bar to Tarpon Springs (Florida) | 2,102.88 mi (3,384.26 km) |
| Diamond Bar to Tarrytown (New York) | 2,430.61 mi (3,911.68 km) |
