| Crofton to Smolyan | 4,999.16 mi (8,045.37 km) |
| Crofton to Sofia | 4,896.87 mi (7,880.76 km) |
| Crofton to Sopot | 4,957.05 mi (7,977.60 km) |
| Crofton to Sozopol | 5,086.01 mi (8,185.15 km) |
| Crofton to Sredets | 5,068.81 mi (8,157.46 km) |
| Crofton to Stamboliyski | 4,969.52 mi (7,997.67 km) |
| Crofton to Stara Zagora | 5,002.67 mi (8,051.01 km) |
| Crofton to Svilengrad | 5,053.06 mi (8,132.11 km) |
| Crofton to Svishtov | 4,941.37 mi (7,952.37 km) |
| Crofton to Targovishte | 5,006.00 mi (8,056.37 km) |
| Crofton to Teteven | 4,926.39 mi (7,928.26 km) |
| Crofton to Troyan | 4,946.08 mi (7,959.94 km) |
| Crofton to Tryavna | 4,978.51 mi (8,012.13 km) |
| Crofton to Tutrakan | 4,973.73 mi (8,004.45 km) |
| Crofton to Varna | 5,060.38 mi (8,143.90 km) |
