| Collinsville to Smolyan | 5,539.30 mi (8,914.65 km) |
| Collinsville to Sofia | 5,435.29 mi (8,747.25 km) |
| Collinsville to Sopot | 5,490.04 mi (8,835.36 km) |
| Collinsville to Sozopol | 5,608.07 mi (9,025.32 km) |
| Collinsville to Sredets | 5,593.47 mi (9,001.81 km) |
| Collinsville to Stamboliyski | 5,506.78 mi (8,862.31 km) |
| Collinsville to Stara Zagora | 5,533.35 mi (8,905.06 km) |
| Collinsville to Svilengrad | 5,585.76 mi (8,989.42 km) |
| Collinsville to Svishtov | 5,465.44 mi (8,795.78 km) |
| Collinsville to Targovishte | 5,527.35 mi (8,895.41 km) |
| Collinsville to Teteven | 5,459.59 mi (8,786.36 km) |
| Collinsville to Troyan | 5,477.66 mi (8,815.44 km) |
| Collinsville to Tryavna | 5,506.96 mi (8,862.59 km) |
| Collinsville to Tutrakan | 5,489.58 mi (8,834.62 km) |
| Collinsville to Varna | 5,576.24 mi (8,974.09 km) |
