| Enid to Smolyan | 5,941.70 mi (9,562.24 km) |
| Enid to Sofia | 5,837.41 mi (9,394.41 km) |
| Enid to Sopot | 5,889.41 mi (9,478.08 km) |
| Enid to Sozopol | 6,001.73 mi (9,658.86 km) |
| Enid to Sredets | 5,988.42 mi (9,637.43 km) |
| Enid to Stamboliyski | 5,908.02 mi (9,508.04 km) |
| Enid to Stara Zagora | 5,931.43 mi (9,545.71 km) |
| Enid to Svilengrad | 5,984.50 mi (9,631.13 km) |
| Enid to Svishtov | 5,860.83 mi (9,432.10 km) |
| Enid to Targovishte | 5,921.13 mi (9,529.14 km) |
| Enid to Teteven | 5,859.21 mi (9,429.49 km) |
| Enid to Troyan | 5,876.44 mi (9,457.22 km) |
| Enid to Tryavna | 5,904.15 mi (9,501.81 km) |
| Enid to Tutrakan | 5,880.99 mi (9,464.55 km) |
| Enid to Varna | 5,967.15 mi (9,603.21 km) |
