| Onteniente to Smolyan | 1,344.12 mi (2,163.15 km) |
| Onteniente to Sofia | 1,276.47 mi (2,054.28 km) |
| Onteniente to Sopot | 1,348.27 mi (2,169.84 km) |
| Onteniente to Sozopol | 1,498.04 mi (2,410.87 km) |
| Onteniente to Sredets | 1,472.52 mi (2,369.79 km) |
| Onteniente to Stamboliyski | 1,335.93 mi (2,149.97 km) |
| Onteniente to Stara Zagora | 1,393.51 mi (2,242.64 km) |
| Onteniente to Svilengrad | 1,421.42 mi (2,287.55 km) |
| Onteniente to Svishtov | 1,382.93 mi (2,225.60 km) |
| Onteniente to Targovishte | 1,442.93 mi (2,322.17 km) |
| Onteniente to Teteven | 1,324.87 mi (2,132.17 km) |
| Onteniente to Troyan | 1,347.45 mi (2,168.51 km) |
| Onteniente to Tryavna | 1,386.99 mi (2,232.15 km) |
| Onteniente to Tutrakan | 1,448.41 mi (2,330.99 km) |
| Onteniente to Varna | 1,509.90 mi (2,429.94 km) |
