| Potomac to Teruel | 3,913.31 mi (6,297.87 km) |
| Potomac to Teulada | 4,020.35 mi (6,470.13 km) |
| Potomac to Tiana | 4,037.66 mi (6,497.99 km) |
| Potomac to Tineo | 3,577.79 mi (5,757.90 km) |
| Potomac to Tocina | 3,769.86 mi (6,067.00 km) |
| Potomac to Toledo | 3,787.78 mi (6,095.84 km) |
| Potomac to Tolosa | 3,787.97 mi (6,096.15 km) |
| Potomac to Tomares | 3,760.97 mi (6,052.70 km) |
| Potomac to Tomelloso | 3,856.65 mi (6,206.68 km) |
| Potomac to Tomino | 3,505.09 mi (5,640.89 km) |
| Potomac to Tordera | 4,051.84 mi (6,520.81 km) |
| Potomac to Tordesillas | 3,695.24 mi (5,946.92 km) |
| Potomac to Torello | 4,020.11 mi (6,469.75 km) |
| Potomac to Toro | 3,675.90 mi (5,915.78 km) |
| Potomac to Torre del Campo | 3,856.13 mi (6,205.84 km) |
