| Herisau to Tomuk | 1,476.97 mi (2,376.95 km) |
| Herisau to Tonya | 1,544.20 mi (2,485.15 km) |
| Herisau to Toprakkale | 1,538.15 mi (2,475.41 km) |
| Herisau to Torbali | 1,112.72 mi (1,790.76 km) |
| Herisau to Tortum | 1,671.88 mi (2,690.63 km) |
| Herisau to Torul | 1,554.61 mi (2,501.90 km) |
| Herisau to Tosya | 1,296.78 mi (2,086.97 km) |
| Herisau to Trabzon | 1,560.51 mi (2,511.40 km) |
| Herisau to Tufanbeyli | 1,494.26 mi (2,404.78 km) |
| Herisau to Tunceli | 1,615.32 mi (2,599.61 km) |
| Herisau to Turgutalp | 1,077.52 mi (1,734.10 km) |
| Herisau to Turgutlu | 1,111.86 mi (1,789.36 km) |
| Herisau to Turgutreis | 1,162.18 mi (1,870.35 km) |
| Herisau to Turhal | 1,411.89 mi (2,272.22 km) |
| Herisau to Turkeli | 1,281.48 mi (2,062.34 km) |
