| Upland to Smolyan | 6,687.00 mi (10,761.68 km) |
| Upland to Sofia | 6,584.69 mi (10,597.03 km) |
| Upland to Sopot | 6,624.83 mi (10,661.64 km) |
| Upland to Sozopol | 6,712.63 mi (10,802.94 km) |
| Upland to Sredets | 6,704.50 mi (10,789.86 km) |
| Upland to Stamboliyski | 6,649.93 mi (10,702.03 km) |
| Upland to Stara Zagora | 6,660.81 mi (10,719.54 km) |
| Upland to Svilengrad | 6,714.78 mi (10,806.40 km) |
| Upland to Svishtov | 6,582.39 mi (10,593.33 km) |
| Upland to Targovishte | 6,634.96 mi (10,677.93 km) |
| Upland to Teteven | 6,596.48 mi (10,616.01 km) |
| Upland to Troyan | 6,610.09 mi (10,637.91 km) |
| Upland to Tryavna | 6,631.04 mi (10,671.62 km) |
| Upland to Tutrakan | 6,587.46 mi (10,601.49 km) |
| Upland to Varna | 6,669.11 mi (10,732.90 km) |
