| Markgroningen to Smolyan | 910.09 mi (1,464.64 km) |
| Markgroningen to Sofia | 807.27 mi (1,299.18 km) |
| Markgroningen to Sopot | 867.60 mi (1,396.26 km) |
| Markgroningen to Sozopol | 1,001.07 mi (1,611.06 km) |
| Markgroningen to Sredets | 982.27 mi (1,580.82 km) |
| Markgroningen to Stamboliyski | 879.84 mi (1,415.96 km) |
| Markgroningen to Stara Zagora | 913.69 mi (1,470.44 km) |
| Markgroningen to Svilengrad | 963.49 mi (1,550.59 km) |
| Markgroningen to Svishtov | 856.47 mi (1,378.35 km) |
| Markgroningen to Targovishte | 922.55 mi (1,484.70 km) |
| Markgroningen to Teteven | 836.95 mi (1,346.94 km) |
| Markgroningen to Troyan | 857.00 mi (1,379.21 km) |
| Markgroningen to Tryavna | 890.51 mi (1,433.14 km) |
| Markgroningen to Tutrakan | 896.67 mi (1,443.05 km) |
| Markgroningen to Varna | 981.49 mi (1,579.55 km) |
