| Sleaford to Massarosa | 798.57 mi (1,285.18 km) |
| Sleaford to Matelica | 911.42 mi (1,466.80 km) |
| Sleaford to Matera | 1,165.71 mi (1,876.02 km) |
| Sleaford to Matino | 1,249.72 mi (2,011.23 km) |
| Sleaford to Mazzarino | 1,291.88 mi (2,079.09 km) |
| Sleaford to Meda | 664.06 mi (1,068.69 km) |
| Sleaford to Medesano | 742.96 mi (1,195.67 km) |
| Sleaford to Medicina | 802.43 mi (1,291.38 km) |
| Sleaford to Meldola | 834.18 mi (1,342.48 km) |
| Sleaford to Melegnano | 685.68 mi (1,103.49 km) |
| Sleaford to Melendugno | 1,243.65 mi (2,001.46 km) |
| Sleaford to Melfi | 1,117.41 mi (1,798.29 km) |
| Sleaford to Melilli | 1,323.28 mi (2,129.61 km) |
| Sleaford to Melito di Napoli | 1,079.07 mi (1,736.60 km) |
| Sleaford to Melito di Porto Salvo | 1,298.06 mi (2,089.03 km) |
