| Idrija to Mauldin (South Carolina) | 4,813.59 mi (7,746.72 km) |
| Idrija to Maumee (Ohio) | 4,555.67 mi (7,331.64 km) |
| Idrija to Maumelle (Arkansas) | 5,218.56 mi (8,398.46 km) |
| Idrija to Mayagüez (Puerto Rico) | 4,903.76 mi (7,891.84 km) |
| Idrija to Mayfield Heights (Ohio) | 4,471.22 mi (7,195.74 km) |
| Idrija to Mays Chapel (Maryland) | 4,368.02 mi (7,029.64 km) |
| Idrija to Maywood (California) | 6,158.39 mi (9,910.97 km) |
| Idrija to Maywood (Illinois) | 4,701.64 mi (7,566.56 km) |
| Idrija to McAlester (Oklahoma) | 5,344.66 mi (8,601.40 km) |
| Idrija to McAllen (Texas) | 5,894.60 mi (9,486.45 km) |
| Idrija to McCalla (Alabama) | 5,079.97 mi (8,175.42 km) |
| Idrija to McComb (Mississippi) | 5,322.26 mi (8,565.35 km) |
| Idrija to McDonough (Georgia) | 4,954.12 mi (7,972.88 km) |
| Idrija to McFarland (California) | 6,088.49 mi (9,798.48 km) |
| Idrija to McHenry (Illinois) | 4,696.91 mi (7,558.95 km) |
