| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Puesto F | city | Boqueron | Paraguay | -23.13 | -60.15 | 400 | 0 |
| Puesto Fernandez | city | Santa Cruz | Bolivia | -17.00 | -63.23 | 830 | 596 |
| Puesto Ferreira | city | Neembucu | Paraguay | -26.63 | -57.67 | 164 | 447 |
| Puesto Figueroa | city | Tumbes | Peru | -3.87 | -80.16 | 1919 | 1652 |
| Puesto Fortuna | city | Presidente Hayes | Paraguay | -24.03 | -57.70 | 229 | 0 |
| Puesto Franco | city | Loreto | Peru | -2.39 | -71.41 | 314 | 0 |