| Klamath Falls to Mangualde | 5,386.82 mi (8,669.25 km) |
| Klamath Falls to Marco de Canavezes | 5,343.91 mi (8,600.19 km) |
| Klamath Falls to Marinha Grande | 5,386.27 mi (8,668.37 km) |
| Klamath Falls to Massama | 5,422.66 mi (8,726.92 km) |
| Klamath Falls to Matosinhos | 5,323.97 mi (8,568.10 km) |
| Klamath Falls to Mealhada | 5,372.70 mi (8,646.52 km) |
| Klamath Falls to Melgaco | 5,293.45 mi (8,518.98 km) |
| Klamath Falls to Melres | 5,340.63 mi (8,594.92 km) |
| Klamath Falls to Mira | 5,359.84 mi (8,625.82 km) |
| Klamath Falls to Miranda do Corvo | 5,391.05 mi (8,676.05 km) |
| Klamath Falls to Mirandela | 5,363.64 mi (8,631.94 km) |
| Klamath Falls to Mogadouro | 5,387.83 mi (8,670.88 km) |
| Klamath Falls to Moimenta da Beira | 5,373.41 mi (8,647.68 km) |
| Klamath Falls to Moita | 5,438.90 mi (8,753.07 km) |
| Klamath Falls to Moncao | 5,287.95 mi (8,510.14 km) |
