| Klamath Falls to Opole | 5,575.40 mi (8,972.75 km) |
| Klamath Falls to Orzesze | 5,624.00 mi (9,050.95 km) |
| Klamath Falls to Osowa | 5,359.14 mi (8,624.70 km) |
| Klamath Falls to Ostroda | 5,432.21 mi (8,742.29 km) |
| Klamath Falls to Ostroleka | 5,501.33 mi (8,853.54 km) |
| Klamath Falls to Ostrow Mazowiecka | 5,524.02 mi (8,890.05 km) |
| Klamath Falls to Ostrow Wielkopolski | 5,513.62 mi (8,873.31 km) |
| Klamath Falls to Ostrowiec Swietokrzyski | 5,629.85 mi (9,060.36 km) |
| Klamath Falls to Ostrzeszow | 5,530.11 mi (8,899.85 km) |
| Klamath Falls to Oswiecim | 5,640.70 mi (9,077.83 km) |
| Klamath Falls to Otwock | 5,554.26 mi (8,938.71 km) |
| Klamath Falls to Ozarow Mazowiecki | 5,539.12 mi (8,914.35 km) |
| Klamath Falls to Ozimek | 5,580.95 mi (8,981.66 km) |
| Klamath Falls to Ozorkow | 5,524.49 mi (8,890.80 km) |
| Klamath Falls to Pabianice | 5,545.80 mi (8,925.10 km) |
