| Fountain Hills to Smolyan | 6,551.61 mi (10,543.79 km) |
| Fountain Hills to Sofia | 6,448.01 mi (10,377.07 km) |
| Fountain Hills to Sopot | 6,492.80 mi (10,449.16 km) |
| Fountain Hills to Sozopol | 6,590.19 mi (10,605.89 km) |
| Fountain Hills to Sredets | 6,580.10 mi (10,589.65 km) |
| Fountain Hills to Stamboliyski | 6,515.61 mi (10,485.87 km) |
| Fountain Hills to Stara Zagora | 6,531.23 mi (10,510.99 km) |
| Fountain Hills to Svilengrad | 6,585.17 mi (10,597.80 km) |
| Fountain Hills to Svishtov | 6,455.28 mi (10,388.76 km) |
| Fountain Hills to Targovishte | 6,511.00 mi (10,478.43 km) |
| Fountain Hills to Teteven | 6,463.61 mi (10,402.17 km) |
| Fountain Hills to Troyan | 6,478.64 mi (10,426.37 km) |
| Fountain Hills to Tryavna | 6,502.22 mi (10,464.31 km) |
| Fountain Hills to Tutrakan | 6,465.94 mi (10,405.92 km) |
| Fountain Hills to Varna | 6,549.72 mi (10,540.75 km) |
