| Oakton to Smolyan | 5,030.37 mi (8,095.59 km) |
| Oakton to Sofia | 4,928.00 mi (7,930.85 km) |
| Oakton to Sopot | 4,988.02 mi (8,027.44 km) |
| Oakton to Sozopol | 5,116.66 mi (8,234.46 km) |
| Oakton to Sredets | 5,099.53 mi (8,206.90 km) |
| Oakton to Stamboliyski | 5,000.63 mi (8,047.73 km) |
| Oakton to Stara Zagora | 5,033.57 mi (8,100.75 km) |
| Oakton to Svilengrad | 5,084.04 mi (8,181.97 km) |
| Oakton to Svishtov | 4,972.04 mi (8,001.73 km) |
| Oakton to Targovishte | 5,036.59 mi (8,105.61 km) |
| Oakton to Teteven | 4,957.36 mi (7,978.09 km) |
| Oakton to Troyan | 4,976.99 mi (8,009.70 km) |
| Oakton to Tryavna | 5,009.33 mi (8,061.74 km) |
| Oakton to Tutrakan | 5,004.14 mi (8,053.38 km) |
| Oakton to Varna | 5,090.81 mi (8,192.87 km) |
