| Potomac to Torun | 4,345.62 mi (6,993.60 km) |
| Potomac to Trzcianka | 4,266.79 mi (6,866.74 km) |
| Potomac to Trzebiatow | 4,190.63 mi (6,744.17 km) |
| Potomac to Trzebinia | 4,478.32 mi (7,207.15 km) |
| Potomac to Trzebnica | 4,347.16 mi (6,996.07 km) |
| Potomac to Tuchola | 4,298.67 mi (6,918.04 km) |
| Potomac to Turek | 4,376.22 mi (7,042.85 km) |
| Potomac to Tychy | 4,461.09 mi (7,179.42 km) |
| Potomac to Ustka | 4,230.70 mi (6,808.65 km) |
| Potomac to Ustron | 4,468.91 mi (7,192.02 km) |
| Potomac to Ustrzyki Dolne | 4,622.36 mi (7,438.96 km) |
| Potomac to Wabrzezno | 4,348.85 mi (6,998.79 km) |
| Potomac to Wadowice | 4,489.19 mi (7,224.66 km) |
| Potomac to Wagrowiec | 4,301.88 mi (6,923.20 km) |
| Potomac to Walbrzych | 4,335.95 mi (6,978.04 km) |
