| Glendale to Smolyan | 6,567.84 mi (10,569.92 km) |
| Glendale to Sofia | 6,464.32 mi (10,403.31 km) |
| Glendale to Sopot | 6,508.77 mi (10,474.86 km) |
| Glendale to Sozopol | 6,605.47 mi (10,630.48 km) |
| Glendale to Sredets | 6,595.52 mi (10,614.47 km) |
| Glendale to Stamboliyski | 6,531.76 mi (10,511.85 km) |
| Glendale to Stara Zagora | 6,547.02 mi (10,536.42 km) |
| Glendale to Svilengrad | 6,600.98 mi (10,623.25 km) |
| Glendale to Svishtov | 6,470.87 mi (10,413.86 km) |
| Glendale to Targovishte | 6,526.37 mi (10,503.18 km) |
| Glendale to Teteven | 6,479.64 mi (10,427.97 km) |
| Glendale to Troyan | 6,494.57 mi (10,452.00 km) |
| Glendale to Tryavna | 6,517.95 mi (10,489.63 km) |
| Glendale to Tutrakan | 6,481.12 mi (10,430.35 km) |
| Glendale to Varna | 6,564.76 mi (10,564.95 km) |
