| Santa Monica to Ridgefield Park (New Jersey) | 2,457.41 mi (3,954.81 km) |
| Santa Monica to Ridgeland (Mississippi) | 1,636.15 mi (2,633.12 km) |
| Santa Monica to Ridgewood (New Jersey) | 2,452.05 mi (3,946.19 km) |
| Santa Monica to Rifle (Colorado) | 703.66 mi (1,132.43 km) |
| Santa Monica to Rincon (Georgia) | 2,145.82 mi (3,453.37 km) |
| Santa Monica to Ringwood (New Jersey) | 2,443.13 mi (3,931.84 km) |
| Santa Monica to Río Grande (Puerto Rico) | 3,398.03 mi (5,468.60 km) |
| Santa Monica to Rio Grande City (Texas) | 1,284.30 mi (2,066.88 km) |
| Santa Monica to Rio Linda (California) | 361.86 mi (582.36 km) |
| Santa Monica to Rio Rancho (New Mexico) | 674.94 mi (1,086.20 km) |
| Santa Monica to Rio Rico (Arizona) | 468.91 mi (754.64 km) |
| Santa Monica to Ripon (California) | 296.62 mi (477.37 km) |
| Santa Monica to River Edge (New Jersey) | 2,456.13 mi (3,952.76 km) |
| Santa Monica to River Falls (Wisconsin) | 1,560.04 mi (2,510.64 km) |
| Santa Monica to River Forest (Illinois) | 1,745.80 mi (2,809.60 km) |
