| Klamath Falls to Nyon | 5,534.48 mi (8,906.88 km) |
| Klamath Falls to Oberriet | 5,572.92 mi (8,968.75 km) |
| Klamath Falls to Obersiggenthal | 5,529.30 mi (8,898.55 km) |
| Klamath Falls to Oberwil | 5,507.87 mi (8,864.07 km) |
| Klamath Falls to Oberwingert | 5,540.36 mi (8,916.34 km) |
| Klamath Falls to Oftringen | 5,528.77 mi (8,897.70 km) |
| Klamath Falls to Olten | 5,526.44 mi (8,893.95 km) |
| Klamath Falls to Onex | 5,541.83 mi (8,918.72 km) |
| Klamath Falls to Opfikon | 5,539.70 mi (8,915.28 km) |
| Klamath Falls to Ostermundigen | 5,537.47 mi (8,911.70 km) |
| Klamath Falls to Payerne | 5,529.88 mi (8,899.48 km) |
| Klamath Falls to Pfaffikon | 5,549.26 mi (8,930.68 km) |
| Klamath Falls to Plan-les-Ouates | 5,543.23 mi (8,920.97 km) |
| Klamath Falls to Pratteln | 5,511.64 mi (8,870.13 km) |
| Klamath Falls to Prilly | 5,536.43 mi (8,910.02 km) |
