Tarshish/Cádiz is the far-western port toward which Jonah seeks passage when he tries to escape the command of God. In the sermon delivered by Father Mapple, the destination is not merely a place on a map: its extreme distance makes Jonah’s flight a conscious attempt to put the widest possible sea between himself and divine authority.

Geographic Identity and Distance

Father Mapple identifies Tarshish with the modern Cádiz in Spain. Jonah’s departure point, Joppa, identified with modern Jaffa, lies on the eastern Syrian coast of the Mediterranean, while Tarshish/Cádiz lies more than two thousand miles westward, just beyond the Straits of Gibraltar. The route therefore carries Jonah from the most easterly coast of the Mediterranean toward the western edge of the ancient navigable world.

The geography supplies the sermon’s central measure of Jonah’s intention. Because Tarshish/Cádiz was as far west as Jonah could plausibly sail in an age when the Atlantic was still almost unknown, his choice of destination signifies flight on a world-wide scale rather than an ordinary change of place. The physical map becomes a moral diagram: distance expresses the magnitude of disobedience, while the sea exposes the illusion that any human vessel can leave God’s dominion.

Jonah’s Intended Escape

Jonah skulks among the wharves of Joppa until he finds a ship bound for Tarshish/Cádiz. Father Mapple presents him as a fugitive attempting to pass from a realm ruled by God into one ruled only by earthly captains. Jonah’s mistake is therefore both religious and political: he imagines that a ship made by men can carry him into a jurisdiction beyond divine reach.

The ship’s Captain agrees to take Jonah, but the transaction emphasizes the compromised social order through which the escape is enabled. Jonah pays the fare before the vessel sails, and the Captain charges him three times the usual amount. The payment exposes a world in which money can make a suspicious passenger acceptable: the Captain recognizes that Jonah is a fugitive but chooses to assist a flight that leaves gold behind it. Tarshish/Cádiz thus becomes the destination of a journey sustained by commercial calculation as much as by spiritual defiance.

Tarshish/Cádiz in the Sermon of Jonah

Father Mapple’s reading of Jonah surrounds the destination with the larger sequence of sin, fear, punishment, repentance, prayer, deliverance, and joy. The sermon culminates in the biblical image of God preparing a great fish to swallow Jonah, so the western voyage toward Tarshish/Cádiz becomes the first movement in a providential reversal: the man who seeks the farthest possible escape is drawn into the depths instead.

The destination also links Jonah’s story to the wider maritime and mythological imagination of whaling. Joppa, the port from which Jonah sails, is later associated with the story of Perseus and Andromeda: an ancient temple there was said to preserve the skeleton of the whale slain by Perseus, and the remains were eventually carried triumphantly to Italy by the Romans. The juxtaposition makes Joppa a meeting point for biblical prophecy, heroic legend, and the history of whale lore, while Tarshish/Cádiz marks the direction of Jonah’s attempted disappearance from that sacred geography.

Narrative and Thematic Significance

Tarshish/Cádiz gives a precise geographical form to the novel’s recurring conflict between human intention and forces larger than human control. Jonah believes that choosing a remote port will make escape possible; the sermon insists that no voyage can convert distance into freedom from God. The destination is therefore less a refuge than a name for mistaken confidence in mobility, commerce, and the apparent sovereignty of the ship.

Its meaning also depends on contrast. The mariners who carry Jonah are governed by practical concerns—cargo, fare, and sailing time—yet the voyage is overtaken by a theological crisis that commerce cannot contain. Tarshish/Cádiz stands at the end of the route Jonah imagines, but the narrative redirects that route toward confinement in the whale and eventual deliverance. The farther Jonah attempts to travel outward, the more completely the story turns inward, toward guilt, fear, and recognition.