| Potomac Park to Trezzo sull'Adda | 5,986.45 mi (9,634.26 km) |
| Potomac Park to Tricase | 6,568.34 mi (10,570.73 km) |
| Potomac Park to Trieste | 6,111.44 mi (9,835.41 km) |
| Potomac Park to Triggiano | 6,460.76 mi (10,397.59 km) |
| Potomac Park to Trinitapoli | 6,420.40 mi (10,332.64 km) |
| Potomac Park to Trissino | 6,045.05 mi (9,728.56 km) |
| Potomac Park to Triuggio | 5,975.55 mi (9,616.71 km) |
| Potomac Park to Trofarello | 5,963.18 mi (9,596.81 km) |
| Potomac Park to Troina | 6,573.54 mi (10,579.08 km) |
| Potomac Park to Turin | 5,956.34 mi (9,585.81 km) |
| Potomac Park to Udine | 6,072.91 mi (9,773.40 km) |
| Potomac Park to Ugento | 6,562.45 mi (10,561.25 km) |
| Potomac Park to Umbertide | 6,197.69 mi (9,974.21 km) |
| Potomac Park to Urbino | 6,183.74 mi (9,951.77 km) |
| Potomac Park to Urgnano | 5,992.48 mi (9,643.96 km) |
