| Placentia to Ridgeland (Mississippi) | 1,601.09 mi (2,576.70 km) |
| Placentia to Ridgewood (New Jersey) | 2,423.58 mi (3,900.37 km) |
| Placentia to Rifle (Colorado) | 680.90 mi (1,095.80 km) |
| Placentia to Rincon (Georgia) | 2,111.53 mi (3,398.18 km) |
| Placentia to Ringwood (New Jersey) | 2,414.74 mi (3,886.15 km) |
| Placentia to Río Grande (Puerto Rico) | 3,361.47 mi (5,409.77 km) |
| Placentia to Rio Grande City (Texas) | 1,247.19 mi (2,007.16 km) |
| Placentia to Rio Linda (California) | 387.47 mi (623.58 km) |
| Placentia to Rio Rancho (New Mexico) | 641.70 mi (1,032.72 km) |
| Placentia to Rio Rico (Arizona) | 431.85 mi (695.00 km) |
| Placentia to Ripon (California) | 323.76 mi (521.03 km) |
| Placentia to River Edge (New Jersey) | 2,427.62 mi (3,906.87 km) |
| Placentia to River Falls (Wisconsin) | 1,537.19 mi (2,473.87 km) |
| Placentia to River Forest (Illinois) | 1,718.52 mi (2,765.69 km) |
| Placentia to River Grove (Illinois) | 1,717.89 mi (2,764.68 km) |
