| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| SD AERO | airport | United States | 42.43 | -88.72 | 930 | 0 | |
| SDF (LOUISVILLE INTL STANDIFORD FLD) | airport | United States | 38.17 | -85.74 | 501 | 0 | |
| SDM (BROWN FLD MUNI) | airport | United States | 32.57 | -116.98 | 526 | 0 | |
| SDP (SAND POINT) | airport | United States | 55.32 | -160.52 | 21 | 0 | |
| SDX (SEDONA) | airport | United States | 34.85 | -111.79 | 4830 | 0 | |
| SDY (SIDNEY RICHLAND MUNI) | airport | United States | 47.71 | -104.19 | 1984 | 0 |