It runs 41 miles from Colon on the Atlantic to Balboa on the Pacific
[DOC] [TLE] Panama Canal Railway (Colon): Top Tips Before You Go - TripAdvisor [PAR] Book your tickets online for Panama Canal Railway, Colon: See 137 reviews, 
articles, and 104 photos of Panama Canal Railway, ranked No.3 on ... One way 
or round trip will take you to either the Pacific or Atlantic side of the canal.