| Placentia to Somersworth (New Hampshire) | 2,582.88 mi (4,156.74 km) |
| Placentia to Somerton (Arizona) | 202.67 mi (326.17 km) |
| Placentia to Somerville (Massachusetts) | 2,574.21 mi (4,142.79 km) |
| Placentia to Somerville (New Jersey) | 2,399.07 mi (3,860.92 km) |
| Placentia to Sonoma (California) | 398.53 mi (641.37 km) |
| Placentia to Soquel (California) | 315.33 mi (507.47 km) |
| Placentia to South Bend (Indiana) | 1,795.50 mi (2,889.58 km) |
| Placentia to South Bradenton (Florida) | 2,131.73 mi (3,430.69 km) |
| Placentia to South Burlington (Vermont) | 2,466.46 mi (3,969.39 km) |
| Placentia to South Charleston (West Virginia) | 2,027.60 mi (3,263.11 km) |
| Placentia to South Daytona (Florida) | 2,182.95 mi (3,513.11 km) |
| Placentia to South El Monte (California) | 16.07 mi (25.86 km) |
| Placentia to South Elgin (Illinois) | 1,694.51 mi (2,727.05 km) |
| Placentia to South Euclid (Ohio) | 2,038.77 mi (3,281.08 km) |
| Placentia to South Farmingdale (New York) | 2,459.30 mi (3,957.86 km) |
