| Lake Forest to Smolyan | 6,715.34 mi (10,807.29 km) |
| Lake Forest to Sofia | 6,612.96 mi (10,642.53 km) |
| Lake Forest to Sopot | 6,653.32 mi (10,707.48 km) |
| Lake Forest to Sozopol | 6,741.53 mi (10,849.44 km) |
| Lake Forest to Sredets | 6,733.32 mi (10,836.23 km) |
| Lake Forest to Stamboliyski | 6,678.32 mi (10,747.71 km) |
| Lake Forest to Stara Zagora | 6,689.40 mi (10,765.55 km) |
| Lake Forest to Svilengrad | 6,743.38 mi (10,852.43 km) |
| Lake Forest to Svishtov | 6,611.08 mi (10,639.50 km) |
| Lake Forest to Targovishte | 6,663.78 mi (10,724.32 km) |
| Lake Forest to Teteven | 6,624.92 mi (10,661.78 km) |
| Lake Forest to Troyan | 6,638.60 mi (10,683.79 km) |
| Lake Forest to Tryavna | 6,659.66 mi (10,717.69 km) |
| Lake Forest to Tutrakan | 6,616.38 mi (10,648.03 km) |
| Lake Forest to Varna | 6,698.12 mi (10,779.59 km) |
