| Valley Center to Ridgefield Park (New Jersey) | 2,403.86 mi (3,868.63 km) |
| Valley Center to Ridgeland (Mississippi) | 1,556.63 mi (2,505.15 km) |
| Valley Center to Ridgewood (New Jersey) | 2,398.82 mi (3,860.53 km) |
| Valley Center to Rifle (Colorado) | 673.12 mi (1,083.28 km) |
| Valley Center to Rincon (Georgia) | 2,069.69 mi (3,330.85 km) |
| Valley Center to Ringwood (New Jersey) | 2,390.21 mi (3,846.67 km) |
| Valley Center to Río Grande (Puerto Rico) | 3,309.53 mi (5,326.17 km) |
| Valley Center to Rio Grande City (Texas) | 1,186.88 mi (1,910.09 km) |
| Valley Center to Rio Linda (California) | 450.74 mi (725.40 km) |
| Valley Center to Rio Rancho (New Mexico) | 605.72 mi (974.82 km) |
| Valley Center to Rio Rico (Arizona) | 371.60 mi (598.03 km) |
| Valley Center to Ripon (California) | 388.03 mi (624.47 km) |
| Valley Center to River Edge (New Jersey) | 2,402.76 mi (3,866.87 km) |
| Valley Center to River Falls (Wisconsin) | 1,526.63 mi (2,456.87 km) |
| Valley Center to River Forest (Illinois) | 1,697.27 mi (2,731.49 km) |
