| Klamath Falls to Collegno | 5,645.43 mi (9,085.44 km) |
| Klamath Falls to Cologno al Serio | 5,675.56 mi (9,133.93 km) |
| Klamath Falls to Cologno Monzese | 5,667.22 mi (9,120.51 km) |
| Klamath Falls to Colorno | 5,731.37 mi (9,223.74 km) |
| Klamath Falls to Comacchio | 5,792.94 mi (9,322.83 km) |
| Klamath Falls to Comiso | 6,315.33 mi (10,163.54 km) |
| Klamath Falls to Como | 5,645.91 mi (9,086.22 km) |
| Klamath Falls to Concordia Sagittaria | 5,747.91 mi (9,250.36 km) |
| Klamath Falls to Concorezzo | 5,665.30 mi (9,117.42 km) |
| Klamath Falls to Conegliano | 5,726.70 mi (9,216.23 km) |
| Klamath Falls to Conselice | 5,794.36 mi (9,325.12 km) |
| Klamath Falls to Conselve | 5,753.55 mi (9,259.44 km) |
| Klamath Falls to Conversano | 6,142.32 mi (9,885.11 km) |
| Klamath Falls to Copertino | 6,208.30 mi (9,991.30 km) |
| Klamath Falls to Copparo | 5,772.06 mi (9,289.23 km) |
