| Oregon to Castrovillari | 4,888.97 mi (7,868.03 km) |
| Oregon to Catania | 4,942.53 mi (7,954.23 km) |
| Oregon to Catanzaro | 4,945.39 mi (7,958.84 km) |
| Oregon to Cattolica | 4,573.56 mi (7,360.44 km) |
| Oregon to Cava de' Tirreni | 4,789.07 mi (7,707.27 km) |
| Oregon to Cavallino | 4,949.20 mi (7,964.97 km) |
| Oregon to Cavarzere | 4,500.63 mi (7,243.06 km) |
| Oregon to Cave | 4,669.34 mi (7,514.58 km) |
| Oregon to Cavriago | 4,455.45 mi (7,170.35 km) |
| Oregon to Cavriglia | 4,540.80 mi (7,307.70 km) |
| Oregon to Cazzago San Martino | 4,400.87 mi (7,082.52 km) |
| Oregon to Ceccano | 4,696.21 mi (7,557.82 km) |
| Oregon to Cecina | 4,509.01 mi (7,256.55 km) |
| Oregon to Cefalu | 4,873.70 mi (7,843.46 km) |
| Oregon to Ceglie Messapico | 4,906.15 mi (7,895.69 km) |
