| Tualatin to Smolyan | 6,102.05 mi (9,820.31 km) |
| Tualatin to Sofia | 6,003.82 mi (9,662.22 km) |
| Tualatin to Sopot | 6,034.78 mi (9,712.04 km) |
| Tualatin to Sozopol | 6,104.17 mi (9,823.72 km) |
| Tualatin to Sredets | 6,099.59 mi (9,816.34 km) |
| Tualatin to Stamboliyski | 6,063.64 mi (9,758.48 km) |
| Tualatin to Stara Zagora | 6,065.75 mi (9,761.89 km) |
| Tualatin to Svilengrad | 6,118.93 mi (9,847.46 km) |
| Tualatin to Svishtov | 5,984.18 mi (9,630.61 km) |
| Tualatin to Targovishte | 6,030.36 mi (9,704.92 km) |
| Tualatin to Teteven | 6,008.42 mi (9,669.62 km) |
| Tualatin to Troyan | 6,019.22 mi (9,686.99 km) |
| Tualatin to Tryavna | 6,035.10 mi (9,712.55 km) |
| Tualatin to Tutrakan | 5,979.35 mi (9,622.84 km) |
| Tualatin to Varna | 6,056.09 mi (9,746.34 km) |
