| Mercer Island to Todi | 5,609.34 mi (9,027.36 km) |
| Mercer Island to Tolentino | 5,604.53 mi (9,019.62 km) |
| Mercer Island to Tolmezzo | 5,404.99 mi (8,698.49 km) |
| Mercer Island to Torre Annunziata | 5,781.99 mi (9,305.21 km) |
| Mercer Island to Torre Boldone | 5,366.42 mi (8,636.42 km) |
| Mercer Island to Torre del Greco | 5,779.05 mi (9,300.49 km) |
| Mercer Island to Torre Maggiore | 5,745.39 mi (9,246.31 km) |
| Mercer Island to Torre Santa Susanna | 5,877.65 mi (9,459.16 km) |
| Mercer Island to Torri di Quartesolo | 5,425.15 mi (8,730.93 km) |
| Mercer Island to Tortoli | 5,708.89 mi (9,187.57 km) |
| Mercer Island to Tortona | 5,394.12 mi (8,681.00 km) |
| Mercer Island to Tortoreto | 5,644.56 mi (9,084.04 km) |
| Mercer Island to Tradate | 5,347.86 mi (8,606.55 km) |
| Mercer Island to Trani | 5,797.66 mi (9,330.43 km) |
| Mercer Island to Trapani | 5,899.95 mi (9,495.06 km) |
