| Chambersburg to Smolyan | 4,998.56 mi (8,044.40 km) |
| Chambersburg to Sofia | 4,895.85 mi (7,879.11 km) |
| Chambersburg to Sopot | 4,955.14 mi (7,974.53 km) |
| Chambersburg to Sozopol | 5,082.37 mi (8,179.28 km) |
| Chambersburg to Sredets | 5,065.59 mi (8,152.28 km) |
| Chambersburg to Stamboliyski | 4,968.37 mi (7,995.83 km) |
| Chambersburg to Stara Zagora | 5,000.41 mi (8,047.38 km) |
| Chambersburg to Svilengrad | 5,051.21 mi (8,129.13 km) |
| Chambersburg to Svishtov | 4,937.90 mi (7,946.79 km) |
| Chambersburg to Targovishte | 5,002.14 mi (8,050.17 km) |
| Chambersburg to Teteven | 4,924.48 mi (7,925.19 km) |
| Chambersburg to Troyan | 4,943.91 mi (7,956.45 km) |
| Chambersburg to Tryavna | 4,975.83 mi (8,007.83 km) |
| Chambersburg to Tutrakan | 4,968.91 mi (7,996.68 km) |
| Chambersburg to Varna | 5,055.66 mi (8,136.30 km) |
