If the Panama Canal had been available, could the Second Pacific Squadron have reached the Far East in better condition?
Short answerPerhaps it could have reached northern Russian bases by following the American coast, but the exhausted fleet was unlikely to recover in time to defeat Japan.
NotesThe hypothetical route would send Rozhestvensky through a completed canal, up the American coast, and toward remote Russian bases from the north, avoiding the passage immediately past Japan. Those bases could supply the fleet, repair ships, and remove troublesome personnel, and the admiral's actual round-the-world performance makes the logistical idea worth considering. The limiting factor remains readiness: the ships were already battered, and the northern facilities would need weeks to restore them. French Indochina would still have offered a better-supported staging point. The answer distinguishes a potentially better route from a strategy capable of producing victory.