| Kaysville to Smolyan | 6,117.86 mi (9,845.74 km) |
| Kaysville to Sofia | 6,015.35 mi (9,680.77 km) |
| Kaysville to Sopot | 6,056.14 mi (9,746.41 km) |
| Kaysville to Sozopol | 6,145.66 mi (9,890.48 km) |
| Kaysville to Sredets | 6,137.14 mi (9,876.77 km) |
| Kaysville to Stamboliyski | 6,080.92 mi (9,786.30 km) |
| Kaysville to Stara Zagora | 6,092.51 mi (9,804.95 km) |
| Kaysville to Svilengrad | 6,146.50 mi (9,891.84 km) |
| Kaysville to Svishtov | 6,014.47 mi (9,679.36 km) |
| Kaysville to Targovishte | 6,067.64 mi (9,764.93 km) |
| Kaysville to Teteven | 6,027.65 mi (9,700.57 km) |
| Kaysville to Troyan | 6,041.48 mi (9,722.82 km) |
| Kaysville to Tryavna | 6,062.85 mi (9,757.22 km) |
| Kaysville to Tutrakan | 6,020.60 mi (9,689.23 km) |
| Kaysville to Varna | 6,102.75 mi (9,821.43 km) |
