| Potomac to Talant | 3,986.59 mi (6,415.80 km) |
| Potomac to Talence | 3,811.37 mi (6,133.81 km) |
| Potomac to Tarare | 4,003.40 mi (6,442.85 km) |
| Potomac to Tarascon | 4,075.70 mi (6,559.21 km) |
| Potomac to Tarbes | 3,884.57 mi (6,251.61 km) |
| Potomac to Tarnos | 3,805.55 mi (6,124.44 km) |
| Potomac to Tassin-la-Demi-Lune | 4,022.39 mi (6,473.42 km) |
| Potomac to Taverny | 3,823.08 mi (6,152.66 km) |
| Potomac to Tergnier | 3,851.14 mi (6,197.81 km) |
| Potomac to Thaon-les-Vosges | 4,020.08 mi (6,469.69 km) |
| Potomac to Thiais | 3,836.77 mi (6,174.68 km) |
| Potomac to Thiers | 3,965.84 mi (6,382.39 km) |
| Potomac to Thionville | 3,978.20 mi (6,402.29 km) |
| Potomac to Thonon-les-Bains | 4,077.99 mi (6,562.89 km) |
| Potomac to Thorigne-Fouillard | 3,682.02 mi (5,925.63 km) |
