| Oregon to Cabestany | 4,212.58 mi (6,779.49 km) |
| Oregon to Cabries | 4,289.30 mi (6,902.96 km) |
| Oregon to Cachan | 3,977.27 mi (6,400.80 km) |
| Oregon to Caen | 3,856.03 mi (6,205.68 km) |
| Oregon to Cagnes-sur-Mer | 4,355.56 mi (7,009.59 km) |
| Oregon to Cahors | 4,085.60 mi (6,575.14 km) |
| Oregon to Calais | 3,890.23 mi (6,260.72 km) |
| Oregon to Caluire-et-Cuire | 4,181.75 mi (6,729.87 km) |
| Oregon to Cambrai | 3,968.40 mi (6,386.52 km) |
| Oregon to Canet-en-Roussillon | 4,214.46 mi (6,782.52 km) |
| Oregon to Cannes | 4,354.11 mi (7,007.26 km) |
| Oregon to Canteleu | 3,904.28 mi (6,283.33 km) |
| Oregon to Capbreton | 3,988.64 mi (6,419.10 km) |
| Oregon to Carcassonne | 4,167.98 mi (6,707.72 km) |
| Oregon to Carmaux | 4,130.13 mi (6,646.80 km) |
