| Diamond Bar to Tulare (California) | 174.73 mi (281.20 km) |
| Diamond Bar to Tullahoma (Tennessee) | 1,790.17 mi (2,881.00 km) |
| Diamond Bar to Tulsa (Oklahoma) | 1,245.23 mi (2,004.00 km) |
| Diamond Bar to Tumwater (Washington) | 936.15 mi (1,506.59 km) |
| Diamond Bar to Tupelo (Mississippi) | 1,657.72 mi (2,667.85 km) |
| Diamond Bar to Turlock (California) | 296.26 mi (476.78 km) |
| Diamond Bar to Tuscaloosa (Alabama) | 1,737.22 mi (2,795.79 km) |
| Diamond Bar to Tustin (California) | 18.53 mi (29.82 km) |
| Diamond Bar to Twentynine Palms (California) | 100.69 mi (162.04 km) |
| Diamond Bar to Twin Falls (Idaho) | 619.00 mi (996.18 km) |
| Diamond Bar to Twin Rivers (New Jersey) | 2,401.14 mi (3,864.26 km) |
| Diamond Bar to Twinsburg (Ohio) | 2,036.66 mi (3,277.69 km) |
| Diamond Bar to Two Rivers (Wisconsin) | 1,754.16 mi (2,823.04 km) |
| Diamond Bar to Tyler (Texas) | 1,304.56 mi (2,099.49 km) |
| Diamond Bar to Tysons (Virginia) | 2,262.19 mi (3,640.64 km) |
