| Phenix City to Smolyan | 5,649.60 mi (9,092.15 km) |
| Phenix City to Sofia | 5,547.41 mi (8,927.70 km) |
| Phenix City to Sopot | 5,607.73 mi (9,024.78 km) |
| Phenix City to Sozopol | 5,736.77 mi (9,232.45 km) |
| Phenix City to Sredets | 5,719.58 mi (9,204.77 km) |
| Phenix City to Stamboliyski | 5,620.08 mi (9,044.64 km) |
| Phenix City to Stara Zagora | 5,653.39 mi (9,098.24 km) |
| Phenix City to Svilengrad | 5,703.73 mi (9,179.26 km) |
| Phenix City to Svishtov | 5,592.13 mi (8,999.67 km) |
| Phenix City to Targovishte | 5,656.75 mi (9,103.65 km) |
| Phenix City to Teteven | 5,577.07 mi (8,975.43 km) |
| Phenix City to Troyan | 5,596.79 mi (9,007.16 km) |
| Phenix City to Tryavna | 5,629.26 mi (9,059.41 km) |
| Phenix City to Tutrakan | 5,624.38 mi (9,051.57 km) |
| Phenix City to Varna | 5,711.05 mi (9,191.05 km) |
