| Lake Oswego to Clarksdale (Mississippi) | 1,857.25 mi (2,988.96 km) |
| Lake Oswego to Clarkston (Georgia) | 2,173.51 mi (3,497.92 km) |
| Lake Oswego to Clarksville (Indiana) | 1,943.94 mi (3,128.47 km) |
| Lake Oswego to Clarksville (Tennessee) | 1,924.75 mi (3,097.59 km) |
| Lake Oswego to Clawson (Michigan) | 1,956.62 mi (3,148.88 km) |
| Lake Oswego to Clay (Alabama) | 2,064.54 mi (3,322.56 km) |
| Lake Oswego to Clayton (California) | 517.82 mi (833.35 km) |
| Lake Oswego to Clayton (Missouri) | 1,713.00 mi (2,756.81 km) |
| Lake Oswego to Clayton (North Carolina) | 2,386.50 mi (3,840.71 km) |
| Lake Oswego to Clayton (Ohio) | 1,968.08 mi (3,167.32 km) |
| Lake Oswego to Clearfield (Utah) | 613.52 mi (987.37 km) |
| Lake Oswego to Clearlake (California) | 445.94 mi (717.67 km) |
| Lake Oswego to Clearwater (Florida) | 2,484.41 mi (3,998.28 km) |
| Lake Oswego to Cleburne (Texas) | 1,620.95 mi (2,608.67 km) |
| Lake Oswego to Clemmons (North Carolina) | 2,279.71 mi (3,668.84 km) |
