The war, now in its seventh month, has killed more than 34,000 Palestinians, according to Gaza health authorities
French President Francois Hollande is trying to rally more international support to destroy Islamic State following the Nov. 13 attacks in Paris. He visited Washington on Tuesday and is due to meet Russian President Vladimir Putin on Thursday.
"This coalition is a possibility," Russia's ambassador to France, Alexandre Orlov, told Europe 1 radio.
"For our part, we are prepared to go further, to plan strikes against Daesh (Islamic State) positions together and to set up a joint command with France, America and any country that wants to join this coalition," he said, noting that this included Turkey.