What countries and bodies of water would you cross to go from Pennsylvania to India?

To travel from Pennsylvania to India, you would typically cross the Atlantic Ocean. Depending on your flight path, you might also cross parts of Europe or the Middle East, entering the Indian subcontinent. The most direct route might involve flying over the North Atlantic, passing near or over countries like the UK or France, then moving towards Asia, crossing bodies of water like the Mediterranean Sea and the Arabian Sea before reaching India.