| Clearfield to Smolyan | 6,115.56 mi (9,842.04 km) |
| Clearfield to Sofia | 6,013.08 mi (9,677.12 km) |
| Clearfield to Sopot | 6,053.78 mi (9,742.62 km) |
| Clearfield to Sozopol | 6,143.11 mi (9,886.38 km) |
| Clearfield to Sredets | 6,134.63 mi (9,872.74 km) |
| Clearfield to Stamboliyski | 6,078.61 mi (9,782.57 km) |
| Clearfield to Stara Zagora | 6,090.10 mi (9,801.07 km) |
| Clearfield to Svilengrad | 6,144.09 mi (9,887.96 km) |
| Clearfield to Svishtov | 6,012.02 mi (9,675.41 km) |
| Clearfield to Targovishte | 6,065.13 mi (9,760.88 km) |
| Clearfield to Teteven | 6,025.31 mi (9,696.80 km) |
| Clearfield to Troyan | 6,039.11 mi (9,719.00 km) |
| Clearfield to Tryavna | 6,060.43 mi (9,753.32 km) |
| Clearfield to Tutrakan | 6,018.05 mi (9,685.11 km) |
| Clearfield to Varna | 6,100.15 mi (9,817.24 km) |
