| Jefferson Valley-Yorktown to Smolyan | 4,781.03 mi (7,694.32 km) |
| Jefferson Valley-Yorktown to Sofia | 4,678.59 mi (7,529.46 km) |
| Jefferson Valley-Yorktown to Sopot | 4,738.48 mi (7,625.84 km) |
| Jefferson Valley-Yorktown to Sozopol | 4,866.95 mi (7,832.60 km) |
| Jefferson Valley-Yorktown to Sredets | 4,849.86 mi (7,805.09 km) |
| Jefferson Valley-Yorktown to Stamboliyski | 4,751.20 mi (7,646.31 km) |
| Jefferson Valley-Yorktown to Stara Zagora | 4,783.99 mi (7,699.08 km) |
| Jefferson Valley-Yorktown to Svilengrad | 4,834.51 mi (7,780.39 km) |
| Jefferson Valley-Yorktown to Svishtov | 4,722.34 mi (7,599.88 km) |
| Jefferson Valley-Yorktown to Targovishte | 4,786.87 mi (7,703.73 km) |
| Jefferson Valley-Yorktown to Teteven | 4,707.82 mi (7,576.50 km) |
| Jefferson Valley-Yorktown to Troyan | 4,727.42 mi (7,608.05 km) |
| Jefferson Valley-Yorktown to Tryavna | 4,759.70 mi (7,660.00 km) |
| Jefferson Valley-Yorktown to Tutrakan | 4,754.38 mi (7,651.43 km) |
| Jefferson Valley-Yorktown to Varna | 4,841.06 mi (7,790.93 km) |
