| Xenia to Smolyan | 5,259.74 mi (8,464.73 km) |
| Xenia to Sofia | 5,156.19 mi (8,298.08 km) |
| Xenia to Sopot | 5,213.10 mi (8,389.67 km) |
| Xenia to Sozopol | 5,335.53 mi (8,586.71 km) |
| Xenia to Sredets | 5,319.90 mi (8,561.55 km) |
| Xenia to Stamboliyski | 5,228.25 mi (8,414.05 km) |
| Xenia to Stara Zagora | 5,257.36 mi (8,460.91 km) |
| Xenia to Svilengrad | 5,309.10 mi (8,544.18 km) |
| Xenia to Svishtov | 5,191.85 mi (8,355.48 km) |
| Xenia to Targovishte | 5,254.92 mi (8,456.98 km) |
| Xenia to Teteven | 5,182.51 mi (8,340.44 km) |
| Xenia to Troyan | 5,201.23 mi (8,370.56 km) |
| Xenia to Tryavna | 5,231.77 mi (8,419.73 km) |
| Xenia to Tutrakan | 5,219.19 mi (8,399.48 km) |
| Xenia to Varna | 5,306.02 mi (8,539.22 km) |
