| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| U OF A MARICOPA AG CENTER | airport | United States | 33.08 | -111.98 | 1181 | 0 | |
| U OF C - RICHMOND FIELD STATION | airport | United States | 37.91 | -122.33 | 17 | 0 | |
| U OF TEXAS MEDICAL BRANCH EMERGENCY ROOM | airport | United States | 29.31 | -94.78 | 35 | 0 | |
| U OF TEXAS MEDICAL BRANCH EWING HALL | airport | United States | 29.31 | -94.78 | 16 | 0 | |
| U S | airport | United States | 34.98 | -80.42 | 590 | 0 | |
| U S C G | airport | United States | 42.61 | -70.66 | 10 | 0 | |
| U S COAST GUARD STATION | airport | United States | 26.07 | -97.16 | 4 | 0 | |
| U S FOREST SERVICE | airport | United States | 40.75 | -111.85 | 4800 | 0 | |
| U S NAVAL HOSPITAL SAN DIEGO | airport | United States | 32.73 | -117.14 | 200 | 0 | |
| U U RANCH | airport | United States | 33.89 | -96.93 | 740 | 0 | |
| U and I Landing | city | Louisiana | United States | 31.77 | -91.56 | 49 |