| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| ST AGNANT | airport | France | 45.89 | -0.98 | 60 | 0 | |
| ST ALEXIUS MED-I-PORT | airport | United States | 46.81 | -100.78 | 1697 | 0 | |
| ST ALOISIUS MEDICAL CENTER | airport | United States | 47.77 | -99.93 | 1595 | 0 | |
| ST ALPHONSUS | airport | United States | 43.61 | -116.26 | 2800 | 0 | |
| ST ANDREWS CODROY VALLEY | airport | Canada | 47.77 | -59.31 | 65 | 0 | |
| ST ANGELO | airport | United Kingdom | 54.40 | -7.65 | 155 | 0 | |
| ST ANTHONY | airport | United States | 41.39 | -87.37 | 758 | 0 | |
| ST ANTHONY | airport | United States | 35.48 | -97.52 | 1300 | 0 | |
| ST ANTHONY | airport | Canada | 51.39 | -56.08 | 108 | 0 | |
| ST ANTHONY HOSPITAL | airport | United States | 41.71 | -86.90 | 635 | 0 | |
| ST ANTHONY HOSPITAL CENTRAL | airport | United States | 39.74 | -105.05 | 5275 | 0 | |
| ST ANTHONY MEDICAL CENTER | airport | United States | 42.27 | -89.00 | 860 | 0 | |
| ST ANTHONY MEMORIAL HOSPITAL | airport | United States | 39.12 | -88.55 | 593 | 0 | |
| ST ANTHONY NORTH | airport | United States | 39.85 | -105.02 | 5506 | 0 | |
| ST ANTHONY RGNL HOSPITAL | airport | United States | 42.06 | -94.87 | 1300 | 0 | |
| ST ANTHONY'S HOSPITAL | airport | United States | 38.91 | -90.17 | 580 | 0 | |
| ST ANTHONY'S HOSPITAL | airport | United States | 45.67 | -118.77 | 1145 | 0 | |
| ST ANTHONY'S MEDICAL CENTER | airport | United States | 35.17 | -92.72 | 400 | 0 | |
| ST ATHAN | airport | United Kingdom | 51.40 | -3.44 | 163 | 0 | |
| ST AUGUSTIN | airport | Canada | 51.21 | -58.66 | 20 | 0 | |
| ST AUGUSTINE | airport | United States | 29.96 | -81.34 | 10 | 0 |