| San Bruno to Smolyan | 6,584.68 mi (10,597.01 km) |
| San Bruno to Sofia | 6,484.54 mi (10,435.85 km) |
| San Bruno to Sopot | 6,519.28 mi (10,491.76 km) |
| San Bruno to Sozopol | 6,596.05 mi (10,615.32 km) |
| San Bruno to Sredets | 6,590.09 mi (10,605.73 km) |
| San Bruno to Stamboliyski | 6,546.70 mi (10,535.90 km) |
| San Bruno to Stara Zagora | 6,552.32 mi (10,544.94 km) |
| San Bruno to Svilengrad | 6,605.94 mi (10,631.23 km) |
| San Bruno to Svishtov | 6,471.79 mi (10,415.34 km) |
| San Bruno to Targovishte | 6,520.57 mi (10,493.85 km) |
| San Bruno to Teteven | 6,492.05 mi (10,447.95 km) |
| San Bruno to Troyan | 6,504.00 mi (10,467.18 km) |
| San Bruno to Tryavna | 6,521.93 mi (10,496.04 km) |
| San Bruno to Tutrakan | 6,470.80 mi (10,413.75 km) |
| San Bruno to Varna | 6,549.60 mi (10,540.57 km) |
