| Summerfield to Smolyan | 5,011.79 mi (8,065.69 km) |
| Summerfield to Sofia | 4,909.50 mi (7,901.07 km) |
| Summerfield to Sopot | 4,969.67 mi (7,997.91 km) |
| Summerfield to Sozopol | 5,098.61 mi (8,205.42 km) |
| Summerfield to Sredets | 5,081.41 mi (8,177.74 km) |
| Summerfield to Stamboliyski | 4,982.14 mi (8,017.98 km) |
| Summerfield to Stara Zagora | 5,015.28 mi (8,071.31 km) |
| Summerfield to Svilengrad | 5,065.67 mi (8,152.41 km) |
| Summerfield to Svishtov | 4,953.97 mi (7,972.64 km) |
| Summerfield to Targovishte | 5,018.59 mi (8,076.64 km) |
| Summerfield to Teteven | 4,939.01 mi (7,948.56 km) |
| Summerfield to Troyan | 4,958.69 mi (7,980.24 km) |
| Summerfield to Tryavna | 4,991.11 mi (8,032.42 km) |
| Summerfield to Tutrakan | 4,986.31 mi (8,024.69 km) |
| Summerfield to Varna | 5,072.97 mi (8,164.15 km) |
