| Wasco to Smolyan | 6,639.58 mi (10,685.38 km) |
| Wasco to Sofia | 6,538.01 mi (10,521.91 km) |
| Wasco to Sopot | 6,576.12 mi (10,583.25 km) |
| Wasco to Sozopol | 6,659.78 mi (10,717.88 km) |
| Wasco to Sredets | 6,652.48 mi (10,706.12 km) |
| Wasco to Stamboliyski | 6,602.14 mi (10,625.11 km) |
| Wasco to Stara Zagora | 6,611.01 mi (10,639.39 km) |
| Wasco to Svilengrad | 6,664.90 mi (10,726.12 km) |
| Wasco to Svishtov | 6,531.71 mi (10,511.77 km) |
| Wasco to Targovishte | 6,582.88 mi (10,594.12 km) |
| Wasco to Teteven | 6,548.18 mi (10,538.27 km) |
| Wasco to Troyan | 6,561.16 mi (10,559.17 km) |
| Wasco to Tryavna | 6,580.98 mi (10,591.06 km) |
| Wasco to Tutrakan | 6,534.47 mi (10,516.21 km) |
| Wasco to Varna | 6,615.10 mi (10,645.98 km) |
