| Titusville to Smolyan | 5,655.65 mi (9,101.90 km) |
| Titusville to Sofia | 5,555.88 mi (8,941.32 km) |
| Titusville to Sopot | 5,619.66 mi (9,043.96 km) |
| Titusville to Sozopol | 5,755.46 mi (9,262.52 km) |
| Titusville to Sredets | 5,736.53 mi (9,232.05 km) |
| Titusville to Stamboliyski | 5,628.64 mi (9,058.42 km) |
| Titusville to Stara Zagora | 5,666.55 mi (9,119.44 km) |
| Titusville to Svilengrad | 5,714.85 mi (9,197.16 km) |
| Titusville to Svishtov | 5,610.83 mi (9,029.76 km) |
| Titusville to Targovishte | 5,676.77 mi (9,135.87 km) |
| Titusville to Teteven | 5,589.16 mi (8,994.88 km) |
| Titusville to Troyan | 5,609.88 mi (9,028.22 km) |
| Titusville to Tryavna | 5,644.34 mi (9,083.68 km) |
| Titusville to Tutrakan | 5,648.73 mi (9,090.76 km) |
| Titusville to Varna | 5,734.52 mi (9,228.82 km) |
