| Guardiagrele to McKeesport (Pennsylvania) | 4,611.51 mi (7,421.51 km) |
| Guardiagrele to McKinleyville (California) | 6,129.49 mi (9,864.47 km) |
| Guardiagrele to McKinney (Texas) | 5,634.91 mi (9,068.50 km) |
| Guardiagrele to McLean (Virginia) | 4,554.57 mi (7,329.87 km) |
| Guardiagrele to McMinnville (Oregon) | 5,851.66 mi (9,417.34 km) |
| Guardiagrele to McMinnville (Tennessee) | 5,064.44 mi (8,150.42 km) |
| Guardiagrele to McNair (Virginia) | 4,563.72 mi (7,344.60 km) |
| Guardiagrele to McPherson (Kansas) | 5,419.01 mi (8,721.05 km) |
| Guardiagrele to Mead Valley (California) | 6,352.09 mi (10,222.69 km) |
| Guardiagrele to Meadow Woods (Florida) | 5,193.62 mi (8,358.33 km) |
| Guardiagrele to Meadowbrook (Virginia) | 4,628.48 mi (7,448.82 km) |
| Guardiagrele to Meadville (Pennsylvania) | 4,570.83 mi (7,356.04 km) |
| Guardiagrele to Mebane (North Carolina) | 4,763.96 mi (7,666.85 km) |
| Guardiagrele to Mechanicsville (Virginia) | 4,615.24 mi (7,427.51 km) |
| Guardiagrele to Medford (Massachusetts) | 4,156.05 mi (6,688.52 km) |
