| Placentia to Security-Widefield (Colorado) | 804.19 mi (1,294.22 km) |
| Placentia to Sedalia (Missouri) | 1,406.42 mi (2,263.41 km) |
| Placentia to Sedro-Woolley (Washington) | 1,035.71 mi (1,666.81 km) |
| Placentia to Seguin (Texas) | 1,203.54 mi (1,936.91 km) |
| Placentia to Selden (New York) | 2,479.56 mi (3,990.47 km) |
| Placentia to Selma (Alabama) | 1,779.21 mi (2,863.36 km) |
| Placentia to Selma (California) | 210.75 mi (339.17 km) |
| Placentia to Selma (Texas) | 1,184.02 mi (1,905.49 km) |
| Placentia to Seminole (Florida) | 2,110.91 mi (3,397.18 km) |
| Placentia to Seven Hills (Ohio) | 2,030.54 mi (3,267.85 km) |
| Placentia to Seven Oaks (South Carolina) | 2,092.27 mi (3,367.18 km) |
| Placentia to Severn (Maryland) | 2,294.63 mi (3,692.85 km) |
| Placentia to Severna Park (Maryland) | 2,301.65 mi (3,704.15 km) |
| Placentia to Sevierville (Tennessee) | 1,938.36 mi (3,119.50 km) |
| Placentia to Seymour (Indiana) | 1,801.82 mi (2,899.75 km) |
