| Sierre to Manerbio | 140.79 mi (226.58 km) |
| Sierre to Manfredonia | 526.55 mi (847.41 km) |
| Sierre to Maniago | 247.86 mi (398.89 km) |
| Sierre to Mantova | 175.86 mi (283.02 km) |
| Sierre to Maranello | 202.55 mi (325.97 km) |
| Sierre to Marano di Napoli | 499.56 mi (803.96 km) |
| Sierre to Marano Vicentino | 191.70 mi (308.51 km) |
| Sierre to Marcianise | 496.42 mi (798.91 km) |
| Sierre to Marcon | 234.74 mi (377.78 km) |
| Sierre to Mareno di Piave | 233.12 mi (375.16 km) |
| Sierre to Margherita di Savoia | 547.75 mi (881.52 km) |
| Sierre to Mariano Comense | 89.39 mi (143.85 km) |
| Sierre to Marigliano | 506.76 mi (815.55 km) |
| Sierre to Marino | 403.71 mi (649.70 km) |
| Sierre to Marostica | 201.41 mi (324.14 km) |
