| Merrifield to Smolyan | 5,028.63 mi (8,092.80 km) |
| Merrifield to Sofia | 4,926.28 mi (7,928.08 km) |
| Merrifield to Sopot | 4,986.33 mi (8,024.72 km) |
| Merrifield to Sozopol | 5,115.02 mi (8,231.84 km) |
| Merrifield to Sredets | 5,097.89 mi (8,204.25 km) |
| Merrifield to Stamboliyski | 4,998.91 mi (8,044.96 km) |
| Merrifield to Stara Zagora | 5,031.89 mi (8,098.04 km) |
| Merrifield to Svilengrad | 5,082.34 mi (8,179.24 km) |
| Merrifield to Svishtov | 4,970.40 mi (7,999.09 km) |
| Merrifield to Targovishte | 5,034.97 mi (8,103.00 km) |
| Merrifield to Teteven | 4,955.66 mi (7,975.37 km) |
| Merrifield to Troyan | 4,975.31 mi (8,006.99 km) |
| Merrifield to Tryavna | 5,007.67 mi (8,059.06 km) |
| Merrifield to Tutrakan | 5,002.55 mi (8,050.82 km) |
| Merrifield to Varna | 5,089.22 mi (8,190.31 km) |
