| Lake Monticello to Smolyan | 5,116.07 mi (8,233.53 km) |
| Lake Monticello to Sofia | 5,013.79 mi (8,068.91 km) |
| Lake Monticello to Sopot | 5,073.95 mi (8,165.74 km) |
| Lake Monticello to Sozopol | 5,202.85 mi (8,373.18 km) |
| Lake Monticello to Sredets | 5,185.67 mi (8,345.53 km) |
| Lake Monticello to Stamboliyski | 5,086.43 mi (8,185.82 km) |
| Lake Monticello to Stara Zagora | 5,119.56 mi (8,239.13 km) |
| Lake Monticello to Svilengrad | 5,169.96 mi (8,320.24 km) |
| Lake Monticello to Svishtov | 5,058.22 mi (8,140.41 km) |
| Lake Monticello to Targovishte | 5,122.82 mi (8,244.39 km) |
| Lake Monticello to Teteven | 5,043.29 mi (8,116.39 km) |
| Lake Monticello to Troyan | 5,062.97 mi (8,148.06 km) |
| Lake Monticello to Tryavna | 5,095.39 mi (8,200.23 km) |
| Lake Monticello to Tutrakan | 5,090.50 mi (8,192.36 km) |
| Lake Monticello to Varna | 5,177.16 mi (8,331.83 km) |
