| Placentia to Reidsville (North Carolina) | 2,150.89 mi (3,461.52 km) |
| Placentia to Reisterstown (Maryland) | 2,286.89 mi (3,680.39 km) |
| Placentia to Rendon (Texas) | 1,193.15 mi (1,920.18 km) |
| Placentia to Reno (Nevada) | 406.91 mi (654.86 km) |
| Placentia to Renton (Washington) | 966.19 mi (1,554.93 km) |
| Placentia to Republic (Missouri) | 1,387.32 mi (2,232.68 km) |
| Placentia to Reston (Virginia) | 2,260.68 mi (3,638.22 km) |
| Placentia to Revere (Massachusetts) | 2,579.08 mi (4,150.64 km) |
| Placentia to Rexburg (Idaho) | 759.92 mi (1,222.97 km) |
| Placentia to Reynoldsburg (Ohio) | 1,968.42 mi (3,167.86 km) |
| Placentia to Rialto (California) | 31.31 mi (50.39 km) |
| Placentia to Richardson (Texas) | 1,218.86 mi (1,961.56 km) |
| Placentia to Richfield (Minnesota) | 1,507.55 mi (2,426.16 km) |
| Placentia to Richfield (Wisconsin) | 1,714.33 mi (2,758.95 km) |
| Placentia to Richland (Washington) | 860.20 mi (1,384.36 km) |
