| Webster to Smolyan | 6,204.46 mi (9,985.11 km) |
| Webster to Sofia | 6,100.97 mi (9,818.57 km) |
| Webster to Sopot | 6,158.04 mi (9,910.41 km) |
| Webster to Sozopol | 6,280.43 mi (10,107.37 km) |
| Webster to Sredets | 6,264.85 mi (10,082.30 km) |
| Webster to Stamboliyski | 6,173.08 mi (9,934.61 km) |
| Webster to Stara Zagora | 6,202.34 mi (9,981.70 km) |
| Webster to Svilengrad | 6,254.05 mi (10,064.93 km) |
| Webster to Svishtov | 6,136.80 mi (9,876.22 km) |
| Webster to Targovishte | 6,199.81 mi (9,977.62 km) |
| Webster to Teteven | 6,127.45 mi (9,861.17 km) |
| Webster to Troyan | 6,146.19 mi (9,891.34 km) |
| Webster to Tryavna | 6,176.76 mi (9,940.53 km) |
| Webster to Tutrakan | 6,163.87 mi (9,919.80 km) |
| Webster to Varna | 6,250.69 mi (10,059.52 km) |
