| Key Biscayne to Castle Pines (Colorado) | 1,715.45 mi (2,760.75 km) |
| Key Biscayne to Castle Rock (Colorado) | 1,712.00 mi (2,755.21 km) |
| Key Biscayne to Castro Valley (California) | 2,574.93 mi (4,143.94 km) |
| Key Biscayne to Catalina Foothills (Arizona) | 1,904.67 mi (3,065.26 km) |
| Key Biscayne to Cataño (Puerto Rico) | 1,027.17 mi (1,653.06 km) |
| Key Biscayne to Cathedral City (California) | 2,236.22 mi (3,598.85 km) |
| Key Biscayne to Catonsville (Maryland) | 958.63 mi (1,542.76 km) |
| Key Biscayne to Cave Spring (Virginia) | 797.02 mi (1,282.68 km) |
| Key Biscayne to Cayce (South Carolina) | 572.78 mi (921.81 km) |
| Key Biscayne to Cayey (Puerto Rico) | 1,037.99 mi (1,670.48 km) |
| Key Biscayne to Cedar City (Utah) | 2,091.99 mi (3,366.73 km) |
| Key Biscayne to Cedar Falls (Iowa) | 1,355.41 mi (2,181.32 km) |
| Key Biscayne to Cedar Hill (Texas) | 1,117.90 mi (1,799.09 km) |
| Key Biscayne to Cedar Lake (Indiana) | 1,160.35 mi (1,867.41 km) |
| Key Biscayne to Cedar Mill (Oregon) | 2,715.80 mi (4,370.66 km) |
