| San Angelo to Smolyan | 6,302.28 mi (10,142.54 km) |
| San Angelo to Sofia | 6,198.07 mi (9,974.83 km) |
| San Angelo to Sopot | 6,251.25 mi (10,060.41 km) |
| San Angelo to Sozopol | 6,365.79 mi (10,244.75 km) |
| San Angelo to Sredets | 6,352.01 mi (10,222.57 km) |
| San Angelo to Stamboliyski | 6,269.09 mi (10,089.12 km) |
| San Angelo to Stara Zagora | 6,293.80 mi (10,128.90 km) |
| San Angelo to Svilengrad | 6,346.64 mi (10,213.93 km) |
| San Angelo to Svishtov | 6,224.21 mi (10,016.90 km) |
| San Angelo to Targovishte | 6,285.12 mi (10,114.92 km) |
| San Angelo to Teteven | 6,220.94 mi (10,011.63 km) |
| San Angelo to Troyan | 6,238.52 mi (10,039.92 km) |
| San Angelo to Tryavna | 6,266.86 mi (10,085.54 km) |
| San Angelo to Tutrakan | 6,245.77 mi (10,051.60 km) |
| San Angelo to Varna | 6,332.13 mi (10,190.58 km) |
