| Butte to Melzo | 5,204.93 mi (8,376.53 km) |
| Butte to Mendicino | 5,756.09 mi (9,263.54 km) |
| Butte to Menfi | 5,753.62 mi (9,259.55 km) |
| Butte to Mentana | 5,494.34 mi (8,842.29 km) |
| Butte to Merano | 5,190.96 mi (8,354.04 km) |
| Butte to Merate | 5,194.47 mi (8,359.69 km) |
| Butte to Mercato San Severino | 5,626.79 mi (9,055.45 km) |
| Butte to Mercogliano | 5,618.09 mi (9,041.44 km) |
| Butte to Mesagne | 5,726.17 mi (9,215.37 km) |
| Butte to Messina | 5,798.99 mi (9,332.58 km) |
| Butte to Mestre | 5,287.21 mi (8,508.94 km) |
| Butte to Mestrino | 5,276.03 mi (8,490.95 km) |
| Butte to Milan | 5,200.04 mi (8,368.66 km) |
| Butte to Milazzo | 5,788.15 mi (9,315.13 km) |
| Butte to Minerbio | 5,313.91 mi (8,551.92 km) |
