| Grinon to Manerbio | 791.78 mi (1,274.25 km) |
| Grinon to Manfredonia | 1,034.26 mi (1,664.48 km) |
| Grinon to Maniago | 927.84 mi (1,493.21 km) |
| Grinon to Mantova | 816.59 mi (1,314.18 km) |
| Grinon to Maranello | 806.77 mi (1,298.37 km) |
| Grinon to Marano di Napoli | 946.13 mi (1,522.64 km) |
| Grinon to Marano Vicentino | 858.77 mi (1,382.06 km) |
| Grinon to Marcianise | 951.75 mi (1,531.70 km) |
| Grinon to Marcon | 894.79 mi (1,440.02 km) |
| Grinon to Mareno di Piave | 903.68 mi (1,454.34 km) |
| Grinon to Margherita di Savoia | 1,046.88 mi (1,684.79 km) |
| Grinon to Mariano Comense | 758.82 mi (1,221.20 km) |
| Grinon to Marigliano | 959.91 mi (1,544.82 km) |
| Grinon to Marino | 866.65 mi (1,394.73 km) |
| Grinon to Marostica | 869.90 mi (1,399.97 km) |
