| Layton to Smolyan | 6,115.45 mi (9,841.87 km) |
| Layton to Sofia | 6,012.95 mi (9,676.91 km) |
| Layton to Sopot | 6,053.71 mi (9,742.50 km) |
| Layton to Sozopol | 6,143.15 mi (9,886.45 km) |
| Layton to Sredets | 6,134.65 mi (9,872.77 km) |
| Layton to Stamboliyski | 6,078.51 mi (9,782.41 km) |
| Layton to Stara Zagora | 6,090.06 mi (9,801.00 km) |
| Layton to Svilengrad | 6,144.05 mi (9,887.90 km) |
| Layton to Svishtov | 6,012.00 mi (9,675.38 km) |
| Layton to Targovishte | 6,065.15 mi (9,760.91 km) |
| Layton to Teteven | 6,025.23 mi (9,696.67 km) |
| Layton to Troyan | 6,039.04 mi (9,718.90 km) |
| Layton to Tryavna | 6,060.39 mi (9,753.26 km) |
| Layton to Tutrakan | 6,018.09 mi (9,685.19 km) |
| Layton to Varna | 6,100.22 mi (9,817.36 km) |
