| Oklahoma City to Silver Firs (Washington) | 1,522.52 mi (2,450.26 km) |
| Oklahoma City to Silver Spring (Maryland) | 1,150.81 mi (1,852.05 km) |
| Oklahoma City to Silver Springs Shores (Florida) | 1,004.49 mi (1,616.57 km) |
| Oklahoma City to Silverdale (Washington) | 1,539.37 mi (2,477.37 km) |
| Oklahoma City to Silverton (Oregon) | 1,478.24 mi (2,379.00 km) |
| Oklahoma City to Simi Valley (California) | 1,204.37 mi (1,938.24 km) |
| Oklahoma City to Simpsonville (South Carolina) | 863.11 mi (1,389.04 km) |
| Oklahoma City to Sioux City (Iowa) | 489.33 mi (787.50 km) |
| Oklahoma City to Sioux Falls (South Dakota) | 559.27 mi (900.06 km) |
| Oklahoma City to Skokie (Illinois) | 694.37 mi (1,117.48 km) |
| Oklahoma City to Sleepy Hollow (New York) | 1,335.08 mi (2,148.60 km) |
| Oklahoma City to Slidell (Louisiana) | 573.48 mi (922.92 km) |
| Oklahoma City to Smithfield (North Carolina) | 1,076.41 mi (1,732.31 km) |
| Oklahoma City to Smithfield (Utah) | 887.13 mi (1,427.70 km) |
| Oklahoma City to Smithville (Missouri) | 315.42 mi (507.62 km) |
