| Westchase to Smolyan | 5,758.97 mi (9,268.17 km) |
| Westchase to Sofia | 5,658.81 mi (9,106.98 km) |
| Westchase to Sopot | 5,722.15 mi (9,208.91 km) |
| Westchase to Sozopol | 5,857.07 mi (9,426.04 km) |
| Westchase to Sredets | 5,838.37 mi (9,395.95 km) |
| Westchase to Stamboliyski | 5,731.60 mi (9,224.13 km) |
| Westchase to Stara Zagora | 5,768.90 mi (9,284.14 km) |
| Westchase to Svilengrad | 5,817.50 mi (9,362.37 km) |
| Westchase to Svishtov | 5,712.35 mi (9,193.15 km) |
| Westchase to Targovishte | 5,778.13 mi (9,299.01 km) |
| Westchase to Teteven | 5,691.61 mi (9,159.76 km) |
| Westchase to Troyan | 5,712.20 mi (9,192.90 km) |
| Westchase to Tryavna | 5,746.40 mi (9,247.93 km) |
| Westchase to Tutrakan | 5,749.45 mi (9,252.84 km) |
| Westchase to Varna | 5,835.41 mi (9,391.19 km) |
