Tell the French that you're simply giving money to refugees and helping them get proper travel documents. That is true and perfectly legal. But don't tell them that you're giving out false passports and helping fugitives to escape from the Nazis. We're in luck. The German invasion has caused a lot of confusion.
Most people can still slip past the French border guards and get into Spain.
Many are still waiting for the right paperwork. That is difficult and takes time. Varian Fry at work on the street in Marseilles c. 1940-41. Fry sets up the American Relief Center, and is overwhelmed by all the people who need help. He puts together a small staff to help him.