| Martinsville to Smolyan | 5,235.87 mi (8,426.32 km) |
| Martinsville to Sofia | 5,133.63 mi (8,261.78 km) |
| Martinsville to Sopot | 5,193.88 mi (8,358.74 km) |
| Martinsville to Sozopol | 5,322.89 mi (8,566.37 km) |
| Martinsville to Sredets | 5,305.68 mi (8,538.67 km) |
| Martinsville to Stamboliyski | 5,206.28 mi (8,378.70 km) |
| Martinsville to Stara Zagora | 5,239.51 mi (8,432.17 km) |
| Martinsville to Svilengrad | 5,289.87 mi (8,513.23 km) |
| Martinsville to Svishtov | 5,178.25 mi (8,333.59 km) |
| Martinsville to Targovishte | 5,242.87 mi (8,437.59 km) |
| Martinsville to Teteven | 5,163.21 mi (8,309.39 km) |
| Martinsville to Troyan | 5,182.91 mi (8,341.10 km) |
| Martinsville to Tryavna | 5,215.37 mi (8,393.32 km) |
| Martinsville to Tutrakan | 5,210.59 mi (8,385.63 km) |
| Martinsville to Varna | 5,297.25 mi (8,525.09 km) |
