| The Dalles to Smolyan | 6,055.97 mi (9,746.13 km) |
| The Dalles to Sofia | 5,957.18 mi (9,587.16 km) |
| The Dalles to Sopot | 5,989.19 mi (9,638.67 km) |
| The Dalles to Sozopol | 6,060.78 mi (9,753.88 km) |
| The Dalles to Sredets | 6,055.77 mi (9,745.82 km) |
| The Dalles to Stamboliyski | 6,017.66 mi (9,684.48 km) |
| The Dalles to Stara Zagora | 6,020.76 mi (9,689.48 km) |
| The Dalles to Svilengrad | 6,074.08 mi (9,775.29 km) |
| The Dalles to Svishtov | 5,939.46 mi (9,558.64 km) |
| The Dalles to Targovishte | 5,986.43 mi (9,634.23 km) |
| The Dalles to Teteven | 5,962.58 mi (9,595.84 km) |
| The Dalles to Troyan | 5,973.70 mi (9,613.74 km) |
| The Dalles to Tryavna | 5,990.17 mi (9,640.25 km) |
| The Dalles to Tutrakan | 5,935.78 mi (9,552.72 km) |
| The Dalles to Varna | 6,013.19 mi (9,677.29 km) |
