| West Memphis to Smolyan | 5,723.66 mi (9,211.34 km) |
| West Memphis to Sofia | 5,620.04 mi (9,044.57 km) |
| West Memphis to Sopot | 5,676.65 mi (9,135.68 km) |
| West Memphis to Sozopol | 5,798.31 mi (9,331.48 km) |
| West Memphis to Sredets | 5,782.88 mi (9,306.64 km) |
| West Memphis to Stamboliyski | 5,692.03 mi (9,160.44 km) |
| West Memphis to Stara Zagora | 5,720.77 mi (9,206.69 km) |
| West Memphis to Svilengrad | 5,772.63 mi (9,290.14 km) |
| West Memphis to Svishtov | 5,654.82 mi (9,100.55 km) |
| West Memphis to Targovishte | 5,717.67 mi (9,201.69 km) |
| West Memphis to Teteven | 5,646.08 mi (9,086.48 km) |
| West Memphis to Troyan | 5,664.70 mi (9,116.45 km) |
| West Memphis to Tryavna | 5,695.04 mi (9,165.28 km) |
| West Memphis to Tutrakan | 5,681.48 mi (9,143.46 km) |
| West Memphis to Varna | 5,768.29 mi (9,283.17 km) |
