| Idrija to McKeesport (Pennsylvania) | 4,459.05 mi (7,176.15 km) |
| Idrija to McKinleyville (California) | 5,897.86 mi (9,491.69 km) |
| Idrija to McKinney (Texas) | 5,467.60 mi (8,799.25 km) |
| Idrija to McLean (Virginia) | 4,411.95 mi (7,100.35 km) |
| Idrija to McMinnville (Oregon) | 5,616.85 mi (9,039.45 km) |
| Idrija to McMinnville (Tennessee) | 4,914.16 mi (7,908.58 km) |
| Idrija to McNair (Virginia) | 4,420.64 mi (7,114.33 km) |
| Idrija to McPherson (Kansas) | 5,237.31 mi (8,428.63 km) |
| Idrija to Mead Valley (California) | 6,140.75 mi (9,882.58 km) |
| Idrija to Meadow Woods (Florida) | 5,076.06 mi (8,169.13 km) |
| Idrija to Meadowbrook (Virginia) | 4,490.38 mi (7,226.57 km) |
| Idrija to Meadville (Pennsylvania) | 4,413.59 mi (7,102.99 km) |
| Idrija to Mebane (North Carolina) | 4,626.48 mi (7,445.60 km) |
| Idrija to Mechanicsville (Virginia) | 4,476.73 mi (7,204.60 km) |
| Idrija to Medford (Massachusetts) | 4,012.80 mi (6,457.97 km) |
