| Potomac to Tulare (California) | 2,294.54 mi (3,692.70 km) |
| Potomac to Tullahoma (Tennessee) | 556.36 mi (895.38 km) |
| Potomac to Tulsa (Oklahoma) | 1,041.86 mi (1,676.72 km) |
| Potomac to Tumwater (Washington) | 2,340.00 mi (3,765.87 km) |
| Potomac to Tupelo (Mississippi) | 717.98 mi (1,155.47 km) |
| Potomac to Turlock (California) | 2,348.32 mi (3,779.25 km) |
| Potomac to Tuscaloosa (Alabama) | 700.66 mi (1,127.61 km) |
| Potomac to Tustin (California) | 2,269.84 mi (3,652.96 km) |
| Potomac to Twentynine Palms (California) | 2,166.12 mi (3,486.04 km) |
| Potomac to Twin Falls (Idaho) | 1,948.99 mi (3,136.60 km) |
| Potomac to Twin Rivers (New Jersey) | 167.69 mi (269.88 km) |
| Potomac to Twinsburg (Ohio) | 275.26 mi (442.99 km) |
| Potomac to Two Rivers (Wisconsin) | 643.00 mi (1,034.81 km) |
| Potomac to Tyler (Texas) | 1,114.33 mi (1,793.33 km) |
| Potomac to Tysons (Virginia) | 6.64 mi (10.68 km) |
