This is a difficult question to answer because there are over 33,000 denominations of Protestantism so to make a comparison between the Catholic Rite of Marriage with the custom of all 33,000 is a daunting task.
One big difference is that the father of the bride does not "give" her away as she is not his possession, but marries of her own free will.
Catholic: believe it should be conducted in a church
There are 33,000+ denominations of Protestantism, this question would be impossible to answer by any one person. Indeed, some Protestant denominations do not have priests, but some do refer to their ministers as priests.
catholics wear robes and the others don't
None, Catholic priests are Christian priests.
PRIESTS CAN MARRY AND HAVE A FAMILY AND A HOME
Yes. Buddhist priests, Hindu priests, Catholic priests, Protestant ministers, Muslim Imams...
One difference is that Protestant clergy can marry, Catholic clergy cannot and are required to remain celibate.
Protestant: pastors Catholic: pope, cardinals, bishops, and priests Orthodox: bishops and priests
Catholic priests will refuse to marry anyone not belonging to their faith. A Protestant pastor will do the job.
Roman Catholic AnswerBecause Anglicans are protestant and Catholics have attempted to follow Our Blessed Lord.
No, the Jesuits, as conceived by St. Ignatius, were formed to strengthen the Catholic faith and restore it where it had been lost due to the protestant revolt.
Orthodox priests could marry, Catholic priests could not.
No. Only men are allowed to become Priests in the Catholic Church. Women however can become Nuns. It's just Catholic, not Roman Catholic. Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is never used by the official Catholic Church.
If you mean priests, no. There are no female Catholic priests
In Catholic & Orthodox Churches, clergy can be priests, monks, bishops, etc. In most Protestant denominations, they are ministers.