| Klamath Falls to McKeesport (Pennsylvania) | 2,159.03 mi (3,474.63 km) |
| Klamath Falls to McKinleyville (California) | 148.19 mi (238.49 km) |
| Klamath Falls to McKinney (Texas) | 1,499.84 mi (2,413.76 km) |
| Klamath Falls to McLean (Virginia) | 2,323.63 mi (3,739.52 km) |
| Klamath Falls to McMinnville (Oregon) | 218.45 mi (351.56 km) |
| Klamath Falls to McMinnville (Tennessee) | 1,970.43 mi (3,171.11 km) |
| Klamath Falls to McNair (Virginia) | 2,312.49 mi (3,721.60 km) |
| Klamath Falls to McPherson (Kansas) | 1,293.73 mi (2,082.05 km) |
| Klamath Falls to Mead Valley (California) | 628.61 mi (1,011.65 km) |
| Klamath Falls to Meadow Woods (Florida) | 2,444.55 mi (3,934.12 km) |
| Klamath Falls to Meadowbrook (Virginia) | 2,347.31 mi (3,777.63 km) |
| Klamath Falls to Meadville (Pennsylvania) | 2,118.47 mi (3,409.34 km) |
| Klamath Falls to Mebane (North Carolina) | 2,292.02 mi (3,688.64 km) |
| Klamath Falls to Mechanicsville (Virginia) | 2,348.19 mi (3,779.05 km) |
| Klamath Falls to Medford (Massachusetts) | 2,548.67 mi (4,101.69 km) |
