| Lake Oswego to Cullman (Alabama) | 2,035.05 mi (3,275.09 km) |
| Lake Oswego to Culpeper (Virginia) | 2,315.83 mi (3,726.96 km) |
| Lake Oswego to Culver City (California) | 820.35 mi (1,320.22 km) |
| Lake Oswego to Cumberland (Maryland) | 2,243.75 mi (3,610.96 km) |
| Lake Oswego to Cupertino (California) | 560.41 mi (901.89 km) |
| Lake Oswego to Cutler Bay (Florida) | 2,706.13 mi (4,355.09 km) |
| Lake Oswego to Cutlerville (Michigan) | 1,828.65 mi (2,942.92 km) |
| Lake Oswego to Cuyahoga Falls (Ohio) | 2,068.79 mi (3,329.39 km) |
| Lake Oswego to Cypress (California) | 838.34 mi (1,349.18 km) |
| Lake Oswego to Cypress Gardens (Florida) | 2,533.87 mi (4,077.86 km) |
| Lake Oswego to Cypress Lake (Florida) | 2,589.28 mi (4,167.04 km) |
| Lake Oswego to D'Iberville (Mississippi) | 2,089.33 mi (3,362.44 km) |
| Lake Oswego to Dakota Ridge (Colorado) | 977.38 mi (1,572.94 km) |
| Lake Oswego to Dale City (Virginia) | 2,342.00 mi (3,769.09 km) |
| Lake Oswego to Dallas (Georgia) | 2,140.73 mi (3,445.17 km) |
