| Klamath Falls to Montalegre | 5,325.00 mi (8,569.76 km) |
| Klamath Falls to Montemor-o-Novo | 5,467.60 mi (8,799.25 km) |
| Klamath Falls to Montemor-o-Velho | 5,374.87 mi (8,650.02 km) |
| Klamath Falls to Montijo | 5,440.38 mi (8,755.45 km) |
| Klamath Falls to Mortagua | 5,378.14 mi (8,655.28 km) |
| Klamath Falls to Moura | 5,522.08 mi (8,886.93 km) |
| Klamath Falls to Murtosa | 5,348.65 mi (8,607.82 km) |
| Klamath Falls to Nazare | 5,388.74 mi (8,672.34 km) |
| Klamath Falls to Nelas | 5,387.96 mi (8,671.08 km) |
| Klamath Falls to Obidos | 5,397.31 mi (8,686.13 km) |
| Klamath Falls to Odemira | 5,505.16 mi (8,859.70 km) |
| Klamath Falls to Odivelas | 5,424.57 mi (8,730.01 km) |
| Klamath Falls to Oeiras | 5,424.71 mi (8,730.23 km) |
| Klamath Falls to Olhao | 5,563.07 mi (8,952.90 km) |
| Klamath Falls to Oliveira de Azemeis | 5,349.14 mi (8,608.61 km) |
