| Ardmore to Smolyan | 6,033.24 mi (9,709.56 km) |
| Ardmore to Sofia | 5,929.07 mi (9,541.91 km) |
| Ardmore to Sopot | 5,982.67 mi (9,628.17 km) |
| Ardmore to Sozopol | 6,098.18 mi (9,814.07 km) |
| Ardmore to Sredets | 6,084.16 mi (9,791.52 km) |
| Ardmore to Stamboliyski | 6,000.22 mi (9,656.42 km) |
| Ardmore to Stara Zagora | 6,025.43 mi (9,696.99 km) |
| Ardmore to Svilengrad | 6,078.16 mi (9,781.85 km) |
| Ardmore to Svishtov | 5,956.29 mi (9,585.72 km) |
| Ardmore to Targovishte | 6,017.48 mi (9,684.20 km) |
| Ardmore to Teteven | 5,952.32 mi (9,579.33 km) |
| Ardmore to Troyan | 5,970.03 mi (9,607.83 km) |
| Ardmore to Tryavna | 5,998.63 mi (9,653.87 km) |
| Ardmore to Tutrakan | 5,978.57 mi (9,621.58 km) |
| Ardmore to Varna | 6,065.03 mi (9,760.72 km) |
