| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Obergen Villa | city | Distrito Federal | Mexico | 19.36 | -99.20 | 7549 | 694135 |
| Obrero Popular | city | Distrito Federal | Mexico | 19.47 | -99.17 | 7549 | 800504 |
| Obrero Popular y Su Ampliacion | city | Distrito Federal | Mexico | 19.47 | -99.17 | 7549 | 800504 |
| Obrogen Villa | city | Distrito Federal | Mexico | 19.36 | -99.20 | 7549 | 694135 |
| Olivar de los Padres | city | Distrito Federal | Mexico | 19.33 | -99.22 | 7752 | 536924 |
| Olivar del Conde | city | Distrito Federal | Mexico | 19.37 | -99.22 | 7831 | 623161 |
| Oxtotepec | city | Distrito Federal | Mexico | 19.19 | -99.07 | 9228 | 329898 |