| Perris to Smolyan | 6,695.51 mi (10,775.38 km) |
| Perris to Sofia | 6,593.03 mi (10,610.46 km) |
| Perris to Sopot | 6,633.68 mi (10,675.87 km) |
| Perris to Sozopol | 6,722.49 mi (10,818.80 km) |
| Perris to Sredets | 6,714.16 mi (10,805.39 km) |
| Perris to Stamboliyski | 6,658.55 mi (10,715.89 km) |
| Perris to Stara Zagora | 6,669.92 mi (10,734.19 km) |
| Perris to Svilengrad | 6,723.91 mi (10,821.08 km) |
| Perris to Svishtov | 6,591.73 mi (10,608.36 km) |
| Perris to Targovishte | 6,644.63 mi (10,693.50 km) |
| Perris to Teteven | 6,605.23 mi (10,630.09 km) |
| Perris to Troyan | 6,618.99 mi (10,652.23 km) |
| Perris to Tryavna | 6,640.22 mi (10,686.39 km) |
| Perris to Tutrakan | 6,597.37 mi (10,617.44 km) |
| Perris to Varna | 6,679.26 mi (10,749.24 km) |
