| Catonsville to Cervignano del Friuli | 4,356.46 mi (7,011.05 km) |
| Catonsville to Cesa | 4,567.73 mi (7,351.05 km) |
| Catonsville to Cesano Maderno | 4,185.48 mi (6,735.87 km) |
| Catonsville to Cesena | 4,368.02 mi (7,029.65 km) |
| Catonsville to Cesenatico | 4,372.36 mi (7,036.64 km) |
| Catonsville to Cetraro | 4,698.75 mi (7,561.90 km) |
| Catonsville to Cherasco | 4,161.42 mi (6,697.16 km) |
| Catonsville to Chiampo | 4,279.24 mi (6,886.78 km) |
| Catonsville to Chiaravalle | 4,433.63 mi (7,135.25 km) |
| Catonsville to Chiari | 4,220.62 mi (6,792.43 km) |
| Catonsville to Chiavari | 4,236.10 mi (6,817.34 km) |
| Catonsville to Chieri | 4,147.97 mi (6,675.51 km) |
| Catonsville to Chieti | 4,514.34 mi (7,265.14 km) |
| Catonsville to Chioggia | 4,332.56 mi (6,972.59 km) |
| Catonsville to Chiusi | 4,394.09 mi (7,071.60 km) |
