| Clovis to Smolyan | 6,570.73 mi (10,574.57 km) |
| Clovis to Sofia | 6,469.49 mi (10,411.64 km) |
| Clovis to Sopot | 6,506.77 mi (10,471.64 km) |
| Clovis to Sozopol | 6,588.78 mi (10,603.62 km) |
| Clovis to Sredets | 6,581.79 mi (10,592.37 km) |
| Clovis to Stamboliyski | 6,533.14 mi (10,514.08 km) |
| Clovis to Stara Zagora | 6,541.21 mi (10,527.06 km) |
| Clovis to Svilengrad | 6,595.05 mi (10,613.71 km) |
| Clovis to Svishtov | 6,461.59 mi (10,398.93 km) |
| Clovis to Targovishte | 6,512.20 mi (10,480.37 km) |
| Clovis to Teteven | 6,479.00 mi (10,426.94 km) |
| Clovis to Troyan | 6,491.73 mi (10,447.43 km) |
| Clovis to Tryavna | 6,511.09 mi (10,478.58 km) |
| Clovis to Tutrakan | 6,463.45 mi (10,401.92 km) |
| Clovis to Varna | 6,543.67 mi (10,531.02 km) |
