| Cottonwood Heights to Smolyan | 6,138.94 mi (9,879.67 km) |
| Cottonwood Heights to Sofia | 6,036.33 mi (9,714.54 km) |
| Cottonwood Heights to Sopot | 6,077.43 mi (9,780.68 km) |
| Cottonwood Heights to Sozopol | 6,167.57 mi (9,925.74 km) |
| Cottonwood Heights to Sredets | 6,158.93 mi (9,911.83 km) |
| Cottonwood Heights to Stamboliyski | 6,102.07 mi (9,820.33 km) |
| Cottonwood Heights to Stara Zagora | 6,113.96 mi (9,839.47 km) |
| Cottonwood Heights to Svilengrad | 6,167.96 mi (9,926.38 km) |
| Cottonwood Heights to Svishtov | 6,036.07 mi (9,714.12 km) |
| Cottonwood Heights to Targovishte | 6,089.45 mi (9,800.02 km) |
| Cottonwood Heights to Teteven | 6,048.89 mi (9,734.74 km) |
| Cottonwood Heights to Troyan | 6,062.80 mi (9,757.14 km) |
| Cottonwood Heights to Tryavna | 6,084.35 mi (9,791.81 km) |
| Cottonwood Heights to Tutrakan | 6,042.56 mi (9,724.55 km) |
| Cottonwood Heights to Varna | 6,124.84 mi (9,856.98 km) |
