| Tustin to Smolyan | 6,714.69 mi (10,806.24 km) |
| Tustin to Sofia | 6,612.35 mi (10,641.55 km) |
| Tustin to Sopot | 6,652.57 mi (10,706.28 km) |
| Tustin to Sozopol | 6,740.49 mi (10,847.77 km) |
| Tustin to Sredets | 6,732.34 mi (10,834.65 km) |
| Tustin to Stamboliyski | 6,677.64 mi (10,746.62 km) |
| Tustin to Stara Zagora | 6,688.58 mi (10,764.23 km) |
| Tustin to Svilengrad | 6,742.56 mi (10,851.10 km) |
| Tustin to Svishtov | 6,610.19 mi (10,638.07 km) |
| Tustin to Targovishte | 6,662.79 mi (10,722.73 km) |
| Tustin to Teteven | 6,624.20 mi (10,660.62 km) |
| Tustin to Troyan | 6,637.83 mi (10,682.56 km) |
| Tustin to Tryavna | 6,658.82 mi (10,716.33 km) |
| Tustin to Tutrakan | 6,615.32 mi (10,646.33 km) |
| Tustin to Varna | 6,697.00 mi (10,777.78 km) |
