| Morgan City to Smolyan | 6,039.51 mi (9,719.66 km) |
| Morgan City to Sofia | 5,936.68 mi (9,554.17 km) |
| Morgan City to Sopot | 5,995.60 mi (9,648.99 km) |
| Morgan City to Sozopol | 6,121.75 mi (9,852.00 km) |
| Morgan City to Sredets | 6,105.27 mi (9,825.48 km) |
| Morgan City to Stamboliyski | 6,009.15 mi (9,670.80 km) |
| Morgan City to Stara Zagora | 6,040.68 mi (9,721.54 km) |
| Morgan City to Svilengrad | 6,091.68 mi (9,803.61 km) |
| Morgan City to Svishtov | 5,977.45 mi (9,619.78 km) |
| Morgan City to Targovishte | 6,041.38 mi (9,722.67 km) |
| Morgan City to Teteven | 5,964.95 mi (9,599.66 km) |
| Morgan City to Troyan | 5,984.25 mi (9,630.71 km) |
| Morgan City to Tryavna | 6,015.89 mi (9,681.63 km) |
| Morgan City to Tutrakan | 6,007.36 mi (9,667.91 km) |
| Morgan City to Varna | 6,094.17 mi (9,807.62 km) |
