| Boone to Rancho Cordova (California) | 2,162.38 mi (3,480.02 km) |
| Boone to Rancho Cucamonga (California) | 2,021.26 mi (3,252.91 km) |
| Boone to Rancho Mirage (California) | 1,964.42 mi (3,161.44 km) |
| Boone to Rancho Palos Verdes (California) | 2,071.95 mi (3,334.49 km) |
| Boone to Rancho San Diego (California) | 2,010.70 mi (3,235.90 km) |
| Boone to Rancho Santa Margarita (California) | 2,031.82 mi (3,269.89 km) |
| Boone to Randallstown (Maryland) | 343.78 mi (553.26 km) |
| Boone to Rantoul (Illinois) | 451.27 mi (726.24 km) |
| Boone to Rapid City (South Dakota) | 1,256.27 mi (2,021.77 km) |
| Boone to Ravenna (Ohio) | 342.78 mi (551.66 km) |
| Boone to Raymondville (Texas) | 1,161.88 mi (1,869.86 km) |
| Boone to Raymore (Missouri) | 722.92 mi (1,163.43 km) |
| Boone to Raytown (Missouri) | 725.72 mi (1,167.94 km) |
| Boone to Reading (Ohio) | 257.27 mi (414.03 km) |
| Boone to Reading (Pennsylvania) | 422.11 mi (679.32 km) |
