Step 1: Understanding the Panama Canal.
The Panama Canal is a man-made waterway that connects the Atlantic Ocean (via the Caribbean Sea) with the Pacific Ocean. It is one of the most important artificial waterways in the world.
Step 2: Length of the canal.
The total length of the Panama Canal is approximately 72 kilometers. It was completed in 1914 and allows ships to save thousands of kilometers by avoiding the long route around South America via Cape Horn.
Step 3: Conclusion.
Hence, the length of the Panama Canal is 72 km.