Statistics for occurrence #1 of “Callao” in chapter 1 of Medford Historical Society Papers, Volume 28.:

... days. The Ringleader made the same trip in 78 days, the best day's run being 336 knots. The Shooting Star made the run from Canton to Boston in 86 days, and the Phantom made the passage from Callao to Rio Janeiro in 32 days, this being the quickest run ever made.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Callao (Peru) 90 4 4 0 0 user votes
Callao (Missouri, United States) 1 0 1 0 0 user votes
Callao (Peru) 0 0 0 0 0 user votes
Callao (Utah, United States) 0 0 0 0 0 user votes
Callao (Virginia, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.