| Klamath Falls to Nasaud | 5,915.97 mi (9,520.83 km) |
| Klamath Falls to Navodari | 6,183.34 mi (9,951.12 km) |
| Klamath Falls to Negresti-Oas | 5,860.01 mi (9,430.78 km) |
| Klamath Falls to Nehoiu | 6,074.50 mi (9,775.97 km) |
| Klamath Falls to Ocna Mures | 5,961.34 mi (9,593.84 km) |
| Klamath Falls to Odobesti | 6,062.45 mi (9,756.56 km) |
| Klamath Falls to Odorheiu Secuiesc | 5,994.39 mi (9,647.04 km) |
| Klamath Falls to Oltenita | 6,161.43 mi (9,915.86 km) |
| Klamath Falls to Onesti | 6,025.58 mi (9,697.24 km) |
| Klamath Falls to Oradea | 5,879.34 mi (9,461.88 km) |
| Klamath Falls to Orastie | 5,981.81 mi (9,626.79 km) |
| Klamath Falls to Oravita | 6,000.37 mi (9,656.66 km) |
| Klamath Falls to Orsova | 6,035.17 mi (9,712.67 km) |
| Klamath Falls to Otelu Rosu | 5,984.88 mi (9,631.73 km) |
| Klamath Falls to Otopeni | 6,121.01 mi (9,850.81 km) |
