| Lake Oswego to Cadillac (Michigan) | 1,812.26 mi (2,916.55 km) |
| Lake Oswego to Caguas (Puerto Rico) | 3,723.86 mi (5,992.97 km) |
| Lake Oswego to Cahokia (Illinois) | 1,722.75 mi (2,772.49 km) |
| Lake Oswego to Calabasas (California) | 807.65 mi (1,299.78 km) |
| Lake Oswego to Caldwell (Idaho) | 321.54 mi (517.47 km) |
| Lake Oswego to Caledonia (Wisconsin) | 1,723.55 mi (2,773.78 km) |
| Lake Oswego to Calera (Alabama) | 2,080.27 mi (3,347.86 km) |
| Lake Oswego to Calexico (California) | 959.67 mi (1,544.45 km) |
| Lake Oswego to Calhoun (Georgia) | 2,114.52 mi (3,402.99 km) |
| Lake Oswego to California (Maryland) | 2,394.01 mi (3,852.78 km) |
| Lake Oswego to California City (California) | 752.50 mi (1,211.03 km) |
| Lake Oswego to Callaway (Florida) | 2,259.50 mi (3,636.32 km) |
| Lake Oswego to Calumet City (Illinois) | 1,766.37 mi (2,842.69 km) |
| Lake Oswego to Calverton (Maryland) | 2,348.67 mi (3,779.82 km) |
| Lake Oswego to Camano (Washington) | 191.94 mi (308.90 km) |
