| Placentia to Smyrna (Delaware) | 2,351.89 mi (3,785.00 km) |
| Placentia to Smyrna (Georgia) | 1,903.97 mi (3,064.14 km) |
| Placentia to Smyrna (Tennessee) | 1,773.03 mi (2,853.42 km) |
| Placentia to Snellville (Georgia) | 1,933.07 mi (3,110.97 km) |
| Placentia to Snoqualmie (Washington) | 965.51 mi (1,553.84 km) |
| Placentia to Snyder (Texas) | 980.71 mi (1,578.31 km) |
| Placentia to Socastee (South Carolina) | 2,217.24 mi (3,568.30 km) |
| Placentia to Socorro (Texas) | 690.89 mi (1,111.88 km) |
| Placentia to Soddy-Daisy (Tennessee) | 1,853.44 mi (2,982.82 km) |
| Placentia to Solana Beach (California) | 70.28 mi (113.10 km) |
| Placentia to Soledad (California) | 264.82 mi (426.19 km) |
| Placentia to Solon (Ohio) | 2,042.66 mi (3,287.34 km) |
| Placentia to Somers Point (New Jersey) | 2,405.15 mi (3,870.71 km) |
| Placentia to Somerset (Kentucky) | 1,873.88 mi (3,015.71 km) |
| Placentia to Somerset (New Jersey) | 2,404.97 mi (3,870.42 km) |
