Thunder Bay is a major city on the shores of Lake Superior. To reach it from Killarney, you will drive east on the Trans-Canada Highway (Hwy 1) through Manitoba and into Ontario. This is a scenic drive through the Canadian Shield, passing through Kenora and Dryden. It is a manageable two-day drive for most travelers.
Total Distance: Driving distance 1,250 km, air distance 950 km.
The drive through the Canadian Shield is beautiful but watch for wildlife.
June to September for warm weather and lake activities.