Portuguese and Spanish is similar, I speak spanish to the secretary at the portugese consulate, she response in Portugese, we understand each other.
French and Spanish is not similar, neither pronounciation nor grammar.
Europe, North and South America speak Spanish, Northern Part of America, Europe and Africa speak French. The Summer Institute for Linguistics (SIL) Ethnologue Survey (1999) report: Spanish (332,000,000), French (79,572,000). More people speak Spanish than French.