| Lake Oswego to Corato | 5,944.63 mi (9,566.96 km) |
| Lake Oswego to Corbetta | 5,499.10 mi (8,849.95 km) |
| Lake Oswego to Corciano | 5,723.14 mi (9,210.50 km) |
| Lake Oswego to Cordenons | 5,562.86 mi (8,952.57 km) |
| Lake Oswego to Cori | 5,828.37 mi (9,379.85 km) |
| Lake Oswego to Coriano | 5,681.17 mi (9,142.96 km) |
| Lake Oswego to Corigliano Calabro | 6,042.56 mi (9,724.56 km) |
| Lake Oswego to Corleone | 6,068.92 mi (9,766.99 km) |
| Lake Oswego to Cormano | 5,500.68 mi (8,852.49 km) |
| Lake Oswego to Cornaredo | 5,500.17 mi (8,851.67 km) |
| Lake Oswego to Cornate d'Adda | 5,502.51 mi (8,855.44 km) |
| Lake Oswego to Cornedo Vicentino | 5,551.82 mi (8,934.80 km) |
| Lake Oswego to Correggio | 5,587.79 mi (8,992.68 km) |
| Lake Oswego to Corridonia | 5,746.88 mi (9,248.70 km) |
| Lake Oswego to Corsico | 5,506.22 mi (8,861.41 km) |
