| Sliven to Manfredonia | 538.08 mi (865.95 km) |
| Sliven to Maniago | 712.60 mi (1,146.81 km) |
| Sliven to Mantova | 790.82 mi (1,272.71 km) |
| Sliven to Maranello | 783.03 mi (1,260.16 km) |
| Sliven to Marano di Napoli | 637.31 mi (1,025.66 km) |
| Sliven to Marano Vicentino | 765.73 mi (1,232.32 km) |
| Sliven to Marcianise | 629.08 mi (1,012.40 km) |
| Sliven to Marcon | 722.74 mi (1,163.14 km) |
| Sliven to Mareno di Piave | 724.28 mi (1,165.62 km) |
| Sliven to Margherita di Savoia | 530.18 mi (853.25 km) |
| Sliven to Mariano Comense | 872.95 mi (1,404.87 km) |
| Sliven to Marigliano | 623.27 mi (1,003.06 km) |
| Sliven to Marino | 701.33 mi (1,128.68 km) |
| Sliven to Marostica | 755.80 mi (1,216.34 km) |
| Sliven to Marsala | 805.72 mi (1,296.67 km) |
