| Key Biscayne to Cehegin | 4,543.99 mi (7,312.84 km) |
| Key Biscayne to Cervello | 4,678.30 mi (7,529.00 km) |
| Key Biscayne to Cervera | 4,639.11 mi (7,465.93 km) |
| Key Biscayne to Ceuti | 4,571.93 mi (7,357.82 km) |
| Key Biscayne to Cheste | 4,578.01 mi (7,367.60 km) |
| Key Biscayne to Chiclana de la Frontera | 4,339.25 mi (6,983.35 km) |
| Key Biscayne to Chipiona | 4,319.03 mi (6,950.80 km) |
| Key Biscayne to Chiva | 4,576.33 mi (7,364.90 km) |
| Key Biscayne to Churriana de la Vega | 4,461.87 mi (7,180.69 km) |
| Key Biscayne to Ciempozuelos | 4,415.65 mi (7,106.31 km) |
| Key Biscayne to Cieza | 4,561.41 mi (7,340.87 km) |
| Key Biscayne to Cisterniga | 4,340.38 mi (6,985.16 km) |
| Key Biscayne to Ciudad de Melilla | 4,532.31 mi (7,294.04 km) |
| Key Biscayne to Ciudad Real | 4,418.17 mi (7,110.36 km) |
| Key Biscayne to Ciudad-Rodrigo | 4,258.98 mi (6,854.17 km) |
