| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| BOULAIS | airport | United States | 33.52 | -112.26 | 1060 | 0 | |
| BOULAIS RANCH | airport | United States | 33.08 | -112.13 | 1240 | 0 | |
| BOULDER | airport | United States | 46.21 | -112.11 | 4968 | 0 | |
| BOULDER CITY MUNI | airport | United States | 35.95 | -114.86 | 2201 | 0 | |
| BOULDER CITY MUNI | airport | United States | 35.95 | -114.86 | 2201 | 0 | |
| BOULDER COMMUNITY HOSPITAL | airport | United States | 40.03 | -105.28 | 5373 | 0 | |
| BOULDER CREEK AIRSTRIP | airport | United States | 44.74 | -116.07 | 4950 | 0 | |
| BOULDER JUNCTION | airport | United States | 46.14 | -89.65 | 1666 | 0 | |
| BOULDER MUNI | airport | United States | 40.04 | -105.23 | 5288 | 0 | |
| BOULDER MUNI | airport | United States | 40.04 | -105.23 | 5288 | 0 | |
| BOUND BROOK NR 1 | airport | United States | 40.56 | -74.55 | 65 | 0 | |
| BOUND BROOK NR 2 | airport | United States | 40.56 | -74.56 | 32 | 0 | |
| BOUNDARY | airport | United States | 64.08 | -141.11 | 2940 | 0 | |
| BOUNDARY CO | airport | United States | 48.73 | -116.30 | 2333 | 0 | |
| BOUNDARY SUBSTATION | airport | United States | 48.98 | -117.36 | 2511 | 0 | |
| BOUNTIFUL FARM | airport | United States | 42.94 | -72.48 | 800 | 0 | |
| BOURET RANCH | airport | United States | 47.86 | -98.97 | 1505 | 0 | |
| BOURLAND FLD | airport | United States | 32.58 | -97.59 | 873 | 0 |