| Placentia to Roy (Utah) | 595.47 mi (958.32 km) |
| Placentia to Royal Kunia (Hawaii) | 2,586.64 mi (4,162.79 km) |
| Placentia to Royal Oak (Michigan) | 1,960.77 mi (3,155.55 km) |
| Placentia to Royal Palm Beach (Florida) | 2,285.89 mi (3,678.79 km) |
| Placentia to Royse City (Texas) | 1,241.25 mi (1,997.60 km) |
| Placentia to Ruskin (Florida) | 2,135.01 mi (3,435.97 km) |
| Placentia to Russellville (Alabama) | 1,715.92 mi (2,761.50 km) |
| Placentia to Russellville (Arkansas) | 1,405.77 mi (2,262.37 km) |
| Placentia to Ruston (Louisiana) | 1,457.25 mi (2,345.21 km) |
| Placentia to Rutherford (New Jersey) | 2,424.50 mi (3,901.85 km) |
| Placentia to Rutland (Vermont) | 2,477.57 mi (3,987.26 km) |
| Placentia to Sabana Grande (Puerto Rico) | 3,307.26 mi (5,322.52 km) |
| Placentia to Sachse (Texas) | 1,226.29 mi (1,973.53 km) |
| Placentia to Saco (Maine) | 2,603.55 mi (4,190.01 km) |
| Placentia to Sacramento (California) | 381.27 mi (613.60 km) |
