| Klamath Falls to Castrovillari | 6,187.82 mi (9,958.33 km) |
| Klamath Falls to Catania | 6,296.34 mi (10,132.98 km) |
| Klamath Falls to Catanzaro | 6,253.45 mi (10,063.95 km) |
| Klamath Falls to Cattolica | 5,850.29 mi (9,415.14 km) |
| Klamath Falls to Cava de' Tirreni | 6,095.29 mi (9,809.42 km) |
| Klamath Falls to Cavallino | 6,209.04 mi (9,992.48 km) |
| Klamath Falls to Cavarzere | 5,764.80 mi (9,277.54 km) |
| Klamath Falls to Cave | 5,981.73 mi (9,626.66 km) |
| Klamath Falls to Cavriago | 5,748.86 mi (9,251.90 km) |
| Klamath Falls to Cavriglia | 5,843.09 mi (9,403.54 km) |
| Klamath Falls to Cazzago San Martino | 5,684.45 mi (9,148.24 km) |
| Klamath Falls to Ceccano | 6,007.27 mi (9,667.76 km) |
| Klamath Falls to Cecina | 5,828.17 mi (9,379.53 km) |
| Klamath Falls to Cefalu | 6,234.69 mi (10,033.76 km) |
| Klamath Falls to Ceglie Messapico | 6,171.18 mi (9,931.56 km) |
