The question contains a geographic misunderstanding. Coleraine is a town in Northern Ireland (UK)—not the Republic of Ireland. St. John's is the capital of Newfoundland and Labrador, Canada. The distance between them spans the North Atlantic.
Despite the distance, links exist: Irish migration to Newfoundland (especially 1750-1850) created strong cultural ties. Newfoundland English retains Irish features. The "Newfoundland-Irish" connection is celebrated in festivals, music, and genealogy. But geographically, they're separated by an ocean.
Always verify locations before calculating distances—especially with shared place names across the Atlantic world.