| Yorba Linda to Smolyan | 6,703.96 mi (10,788.98 km) |
| Yorba Linda to Sofia | 6,601.64 mi (10,624.31 km) |
| Yorba Linda to Sopot | 6,641.81 mi (10,688.96 km) |
| Yorba Linda to Sozopol | 6,729.65 mi (10,830.32 km) |
| Yorba Linda to Sredets | 6,721.51 mi (10,817.23 km) |
| Yorba Linda to Stamboliyski | 6,666.90 mi (10,729.34 km) |
| Yorba Linda to Stara Zagora | 6,677.80 mi (10,746.88 km) |
| Yorba Linda to Svilengrad | 6,731.77 mi (10,833.74 km) |
| Yorba Linda to Svishtov | 6,599.39 mi (10,620.69 km) |
| Yorba Linda to Targovishte | 6,651.96 mi (10,705.30 km) |
| Yorba Linda to Teteven | 6,613.45 mi (10,643.32 km) |
| Yorba Linda to Troyan | 6,627.07 mi (10,665.24 km) |
| Yorba Linda to Tryavna | 6,648.03 mi (10,698.97 km) |
| Yorba Linda to Tutrakan | 6,604.47 mi (10,628.87 km) |
| Yorba Linda to Varna | 6,686.13 mi (10,760.29 km) |
