| Key West to Rancho Cordova (California) | 2,493.76 mi (4,013.33 km) |
| Key West to Rancho Cucamonga (California) | 2,241.46 mi (3,607.28 km) |
| Key West to Rancho Mirage (California) | 2,173.41 mi (3,497.76 km) |
| Key West to Rancho Palos Verdes (California) | 2,283.73 mi (3,675.31 km) |
| Key West to Rancho San Diego (California) | 2,193.54 mi (3,530.17 km) |
| Key West to Rancho Santa Margarita (California) | 2,239.09 mi (3,603.47 km) |
| Key West to Randallstown (Maryland) | 1,063.40 mi (1,711.37 km) |
| Key West to Rantoul (Illinois) | 1,148.43 mi (1,848.22 km) |
| Key West to Rapid City (South Dakota) | 1,809.26 mi (2,911.72 km) |
| Key West to Ravenna (Ohio) | 1,147.16 mi (1,846.17 km) |
| Key West to Raymondville (Texas) | 1,005.63 mi (1,618.40 km) |
| Key West to Raymore (Missouri) | 1,231.65 mi (1,982.15 km) |
| Key West to Raytown (Missouri) | 1,241.91 mi (1,998.66 km) |
| Key West to Reading (Ohio) | 1,024.68 mi (1,649.06 km) |
| Key West to Reading (Pennsylvania) | 1,141.41 mi (1,836.91 km) |
