| Atascadero to Smolyan | 6,678.72 mi (10,748.36 km) |
| Atascadero to Sofia | 6,577.54 mi (10,585.53 km) |
| Atascadero to Sopot | 6,614.66 mi (10,645.27 km) |
| Atascadero to Sozopol | 6,696.25 mi (10,776.58 km) |
| Atascadero to Sredets | 6,689.36 mi (10,765.48 km) |
| Atascadero to Stamboliyski | 6,641.11 mi (10,687.83 km) |
| Atascadero to Stara Zagora | 6,649.00 mi (10,700.54 km) |
| Atascadero to Svilengrad | 6,702.83 mi (10,787.16 km) |
| Atascadero to Svishtov | 6,569.31 mi (10,572.28 km) |
| Atascadero to Targovishte | 6,619.76 mi (10,653.48 km) |
| Atascadero to Teteven | 6,586.92 mi (10,600.63 km) |
| Atascadero to Troyan | 6,599.60 mi (10,621.04 km) |
| Atascadero to Tryavna | 6,618.85 mi (10,652.02 km) |
| Atascadero to Tutrakan | 6,570.92 mi (10,574.87 km) |
| Atascadero to Varna | 6,651.01 mi (10,703.77 km) |
