- A The Alps, the Apennines, the Po Valley, the Tyrrhenian Sea, and the Adriatic Sea
- B The Alps, the Apennines, the Po Valley, the Ionian Sea, and the Mediterranean Sea
- C The Alps, the Apennines, the Po Valley, the Tyrrhenian Sea, and the Ionian Sea
- D The Alps, the Apennines, the Po Valley, the Adriatic Sea, and the Tyrrhenian Sea