| Grenchen to Manerbio | 181.53 mi (292.15 km) |
| Grenchen to Manfredonia | 568.84 mi (915.45 km) |
| Grenchen to Maniago | 261.88 mi (421.45 km) |
| Grenchen to Mantova | 214.75 mi (345.61 km) |
| Grenchen to Maranello | 248.12 mi (399.32 km) |
| Grenchen to Marano di Napoli | 549.57 mi (884.44 km) |
| Grenchen to Marano Vicentino | 218.01 mi (350.85 km) |
| Grenchen to Marcianise | 545.69 mi (878.20 km) |
| Grenchen to Marcon | 259.58 mi (417.75 km) |
| Grenchen to Mareno di Piave | 253.35 mi (407.73 km) |
| Grenchen to Margherita di Savoia | 590.44 mi (950.23 km) |
| Grenchen to Mariano Comense | 133.57 mi (214.97 km) |
| Grenchen to Marigliano | 555.90 mi (894.63 km) |
| Grenchen to Marino | 455.77 mi (733.49 km) |
| Grenchen to Marostica | 225.89 mi (363.53 km) |
