| Hanford to Smolyan | 6,601.14 mi (10,623.50 km) |
| Hanford to Sofia | 6,499.79 mi (10,460.40 km) |
| Hanford to Sopot | 6,537.33 mi (10,520.82 km) |
| Hanford to Sozopol | 6,619.84 mi (10,653.61 km) |
| Hanford to Sredets | 6,612.76 mi (10,642.21 km) |
| Hanford to Stamboliyski | 6,563.59 mi (10,563.08 km) |
| Hanford to Stara Zagora | 6,571.91 mi (10,576.46 km) |
| Hanford to Svilengrad | 6,625.76 mi (10,663.13 km) |
| Hanford to Svishtov | 6,492.39 mi (10,448.49 km) |
| Hanford to Targovishte | 6,543.16 mi (10,530.20 km) |
| Hanford to Teteven | 6,509.50 mi (10,476.03 km) |
| Hanford to Troyan | 6,522.31 mi (10,496.65 km) |
| Hanford to Tryavna | 6,541.81 mi (10,528.03 km) |
| Hanford to Tutrakan | 6,494.52 mi (10,451.91 km) |
| Hanford to Varna | 6,574.86 mi (10,581.22 km) |
