| Yuba City to Smolyan | 6,471.91 mi (10,415.53 km) |
| Yuba City to Sofia | 6,371.80 mi (10,254.42 km) |
| Yuba City to Sopot | 6,406.48 mi (10,310.24 km) |
| Yuba City to Sozopol | 6,483.23 mi (10,433.74 km) |
| Yuba City to Sredets | 6,477.26 mi (10,424.14 km) |
| Yuba City to Stamboliyski | 6,433.93 mi (10,354.40 km) |
| Yuba City to Stara Zagora | 6,439.50 mi (10,363.38 km) |
| Yuba City to Svilengrad | 6,493.12 mi (10,449.67 km) |
| Yuba City to Svishtov | 6,358.96 mi (10,233.76 km) |
| Yuba City to Targovishte | 6,407.74 mi (10,312.26 km) |
| Yuba City to Teteven | 6,379.27 mi (10,266.44 km) |
| Yuba City to Troyan | 6,391.20 mi (10,285.65 km) |
| Yuba City to Tryavna | 6,409.12 mi (10,314.47 km) |
| Yuba City to Tutrakan | 6,357.97 mi (10,232.17 km) |
| Yuba City to Varna | 6,436.79 mi (10,359.00 km) |
