| Sierpc to Manerbio | 673.76 mi (1,084.31 km) |
| Sierpc to Manfredonia | 796.66 mi (1,282.10 km) |
| Sierpc to Maniago | 558.47 mi (898.76 km) |
| Sierpc to Mantova | 667.35 mi (1,074.00 km) |
| Sierpc to Maranello | 701.61 mi (1,129.13 km) |
| Sierpc to Marano di Napoli | 866.86 mi (1,395.08 km) |
| Sierpc to Marano Vicentino | 618.82 mi (995.90 km) |
| Sierpc to Marcianise | 856.37 mi (1,378.20 km) |
| Sierpc to Marcon | 605.08 mi (973.79 km) |
| Sierpc to Mareno di Piave | 586.79 mi (944.35 km) |
| Sierpc to Margherita di Savoia | 812.46 mi (1,307.52 km) |
| Sierpc to Mariano Comense | 683.87 mi (1,100.58 km) |
| Sierpc to Marigliano | 861.02 mi (1,385.68 km) |
| Sierpc to Marino | 834.16 mi (1,342.45 km) |
| Sierpc to Marostica | 610.29 mi (982.17 km) |
