| Sliven to Mislata | 1,404.63 mi (2,260.54 km) |
| Sliven to Moana | 1,774.88 mi (2,856.40 km) |
| Sliven to Moguer | 1,783.52 mi (2,870.29 km) |
| Sliven to Molina de Segura | 1,477.91 mi (2,378.46 km) |
| Sliven to Molins de Rey | 1,246.42 mi (2,005.92 km) |
| Sliven to Mollerusa | 1,299.97 mi (2,092.10 km) |
| Sliven to Mollet | 1,234.81 mi (1,987.23 km) |
| Sliven to Moncada | 1,236.66 mi (1,990.21 km) |
| Sliven to Moncada | 1,402.14 mi (2,256.52 km) |
| Sliven to Monforte de Lemos | 1,709.93 mi (2,751.87 km) |
| Sliven to Monforte del Cid | 1,445.44 mi (2,326.20 km) |
| Sliven to Mongat | 1,232.33 mi (1,983.24 km) |
| Sliven to Monovar | 1,449.51 mi (2,332.77 km) |
| Sliven to Monserrat | 1,416.65 mi (2,279.88 km) |
| Sliven to Montijo | 1,731.93 mi (2,787.27 km) |
