| Key Largo to Chojnice | 5,144.68 mi (8,279.56 km) |
| Key Largo to Chojnow | 5,141.98 mi (8,275.22 km) |
| Key Largo to Chorzow | 5,289.20 mi (8,512.14 km) |
| Key Largo to Choszczno | 5,075.60 mi (8,168.39 km) |
| Key Largo to Chrzanow | 5,312.03 mi (8,548.89 km) |
| Key Largo to Ciechanow | 5,284.38 mi (8,504.39 km) |
| Key Largo to Ciechocinek | 5,213.05 mi (8,389.59 km) |
| Key Largo to Cieszyn | 5,291.27 mi (8,515.48 km) |
| Key Largo to Czarna Bialostocka | 5,371.55 mi (8,644.68 km) |
| Key Largo to Czarnkow | 5,126.81 mi (8,250.80 km) |
| Key Largo to Czechowice-Dziedzice | 5,302.09 mi (8,532.88 km) |
| Key Largo to Czeladz | 5,293.68 mi (8,519.36 km) |
| Key Largo to Czersk Pomorski | 5,158.42 mi (8,301.68 km) |
| Key Largo to Czestochowa | 5,282.26 mi (8,500.97 km) |
| Key Largo to Czluchow | 5,138.53 mi (8,269.67 km) |
