| Sierpc to Melzo | 687.49 mi (1,106.40 km) |
| Sierpc to Mendicino | 955.40 mi (1,537.56 km) |
| Sierpc to Menfi | 1,103.40 mi (1,775.75 km) |
| Sierpc to Mentana | 818.32 mi (1,316.96 km) |
| Sierpc to Merano | 572.29 mi (921.01 km) |
| Sierpc to Merate | 676.21 mi (1,088.25 km) |
| Sierpc to Mercato San Severino | 867.00 mi (1,395.30 km) |
| Sierpc to Mercogliano | 857.92 mi (1,380.69 km) |
| Sierpc to Mesagne | 855.50 mi (1,376.79 km) |
| Sierpc to Messina | 1,033.85 mi (1,663.82 km) |
| Sierpc to Mestre | 610.38 mi (982.31 km) |
| Sierpc to Mestrino | 624.61 mi (1,005.22 km) |
| Sierpc to Milan | 696.13 mi (1,120.31 km) |
| Sierpc to Milazzo | 1,035.26 mi (1,666.08 km) |
| Sierpc to Minerbio | 681.34 mi (1,096.51 km) |
