Is 420,000 spans as long as The Panama Canal?
It's about one-and-one-tenth times as long as The Panama Canal
The length of The Panama Canal is about 380,000 spans.
(Canal de Panamá) (Panama)
Connecting the Atlantic and Pacific Oceans across the Isthmus of Panama, the Canal measures 380,000 spans in length. Ships passing through the Canal are raised (and then lowered) 110 spans above sea level through the lock-and-dam system.
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