| Mercer Island to Torgelow | 4,990.81 mi (8,031.93 km) |
| Mercer Island to Tornesch | 4,896.28 mi (7,879.80 km) |
| Mercer Island to Tostedt | 4,920.68 mi (7,919.08 km) |
| Mercer Island to Traunreut | 5,300.59 mi (8,530.48 km) |
| Mercer Island to Traunstein | 5,307.75 mi (8,542.00 km) |
| Mercer Island to Trebbin | 5,058.59 mi (8,141.02 km) |
| Mercer Island to Trebur | 5,087.40 mi (8,187.38 km) |
| Mercer Island to Treuchtlingen | 5,203.08 mi (8,373.55 km) |
| Mercer Island to Trier | 5,054.50 mi (8,134.42 km) |
| Mercer Island to Trittau | 4,915.94 mi (7,911.44 km) |
| Mercer Island to Troisdorf | 5,005.70 mi (8,055.90 km) |
| Mercer Island to Trossingen | 5,201.13 mi (8,370.40 km) |
| Mercer Island to Trostberg an der Alz | 5,296.83 mi (8,524.42 km) |
| Mercer Island to Tubingen | 5,185.16 mi (8,344.71 km) |
| Mercer Island to Tuttlingen | 5,211.00 mi (8,386.30 km) |
