| Sliven to Menges | 627.59 mi (1,010.01 km) |
| Sliven to Metlika | 582.49 mi (937.43 km) |
| Sliven to Mezica | 623.08 mi (1,002.75 km) |
| Sliven to Miklavz na Dravskem Polju | 585.41 mi (942.13 km) |
| Sliven to Miren | 666.51 mi (1,072.65 km) |
| Sliven to Mirna | 600.25 mi (966.01 km) |
| Sliven to Mirna Pec | 597.39 mi (961.41 km) |
| Sliven to Mislinja | 606.09 mi (975.40 km) |
| Sliven to Mokronog | 596.37 mi (959.77 km) |
| Sliven to Moravce | 619.01 mi (996.20 km) |
| Sliven to Moravske-Toplice | 567.83 mi (913.83 km) |
| Sliven to Mozirje | 614.03 mi (988.18 km) |
| Sliven to Murska Sobota | 569.69 mi (916.82 km) |
| Sliven to Muta | 611.71 mi (984.46 km) |
| Sliven to Naklo | 641.39 mi (1,032.22 km) |
