| Pharr to Smolyan | 6,503.07 mi (10,465.68 km) |
| Pharr to Sofia | 6,399.60 mi (10,299.16 km) |
| Pharr to Sopot | 6,456.68 mi (10,391.03 km) |
| Pharr to Sozopol | 6,578.99 mi (10,587.87 km) |
| Pharr to Sredets | 6,563.45 mi (10,562.85 km) |
| Pharr to Stamboliyski | 6,471.71 mi (10,415.22 km) |
| Pharr to Stara Zagora | 6,500.98 mi (10,462.31 km) |
| Pharr to Svilengrad | 6,552.70 mi (10,545.55 km) |
| Pharr to Svishtov | 6,435.39 mi (10,356.77 km) |
| Pharr to Targovishte | 6,498.37 mi (10,458.11 km) |
| Pharr to Teteven | 6,426.09 mi (10,341.80 km) |
| Pharr to Troyan | 6,444.83 mi (10,371.95 km) |
| Pharr to Tryavna | 6,475.39 mi (10,421.13 km) |
| Pharr to Tutrakan | 6,462.34 mi (10,400.13 km) |
| Pharr to Varna | 6,549.16 mi (10,539.85 km) |
