| Clute to Smolyan | 6,241.97 mi (10,045.48 km) |
| Clute to Sofia | 6,138.52 mi (9,879.00 km) |
| Clute to Sopot | 6,195.69 mi (9,971.01 km) |
| Clute to Sozopol | 6,318.28 mi (10,168.29 km) |
| Clute to Sredets | 6,302.66 mi (10,143.15 km) |
| Clute to Stamboliyski | 6,210.65 mi (9,995.08 km) |
| Clute to Stara Zagora | 6,240.04 mi (10,042.37 km) |
| Clute to Svilengrad | 6,291.72 mi (10,125.54 km) |
| Clute to Svishtov | 6,174.61 mi (9,937.08 km) |
| Clute to Targovishte | 6,237.67 mi (10,038.56 km) |
| Clute to Teteven | 6,165.10 mi (9,921.77 km) |
| Clute to Troyan | 6,183.87 mi (9,951.98 km) |
| Clute to Tryavna | 6,214.50 mi (10,001.26 km) |
| Clute to Tutrakan | 6,201.82 mi (9,980.87 km) |
| Clute to Varna | 6,288.65 mi (10,120.60 km) |
