| Tigard to Smolyan | 6,099.30 mi (9,815.88 km) |
| Tigard to Sofia | 6,001.09 mi (9,657.82 km) |
| Tigard to Sopot | 6,032.01 mi (9,707.59 km) |
| Tigard to Sozopol | 6,101.35 mi (9,819.18 km) |
| Tigard to Sredets | 6,096.78 mi (9,811.82 km) |
| Tigard to Stamboliyski | 6,060.88 mi (9,754.04 km) |
| Tigard to Stara Zagora | 6,062.97 mi (9,757.41 km) |
| Tigard to Svilengrad | 6,116.14 mi (9,842.98 km) |
| Tigard to Svishtov | 5,981.39 mi (9,626.12 km) |
| Tigard to Targovishte | 6,027.55 mi (9,700.40 km) |
| Tigard to Teteven | 6,005.66 mi (9,665.18 km) |
| Tigard to Troyan | 6,016.45 mi (9,682.54 km) |
| Tigard to Tryavna | 6,032.31 mi (9,708.07 km) |
| Tigard to Tutrakan | 5,976.53 mi (9,618.30 km) |
| Tigard to Varna | 6,053.26 mi (9,741.78 km) |
