| Sleaford to Marasesti | 1,325.45 mi (2,133.11 km) |
| Sleaford to Marghita | 1,073.85 mi (1,728.19 km) |
| Sleaford to Marginea | 1,202.11 mi (1,934.61 km) |
| Sleaford to Matca | 1,338.95 mi (2,154.83 km) |
| Sleaford to Medgidia | 1,429.60 mi (2,300.71 km) |
| Sleaford to Media | 1,198.38 mi (1,928.61 km) |
| Sleaford to Miercurea-Ciuc | 1,249.82 mi (2,011.39 km) |
| Sleaford to Mioveni | 1,267.87 mi (2,040.44 km) |
| Sleaford to Mizil | 1,326.50 mi (2,134.79 km) |
| Sleaford to Moinesti | 1,275.07 mi (2,052.03 km) |
| Sleaford to Moisei | 1,153.86 mi (1,856.95 km) |
| Sleaford to Moldova Noua | 1,148.32 mi (1,848.05 km) |
| Sleaford to Moreni | 1,295.18 mi (2,084.39 km) |
| Sleaford to Motru | 1,195.85 mi (1,924.53 km) |
| Sleaford to Murfatlar | 1,438.60 mi (2,315.20 km) |
