Driving from Rochester to Thunder Bay
Thunder Bay lies 544 km (338 mi) north-east of Rochester, +1 h on the clock. What the numbers say about getting there.
Driving takes about 7 h 23 min without stops, over roughly 664 km (413 mi) of road; add breaks, fuel and any border.
Open Thunder Bay in Google Maps
| Rochester | Thunder Bay | |
|---|---|---|
| Country | United States | Canada |
| Population | 112,225 | 108,843 |
| Elevation | 314 m (1,030 ft) | 188 m (617 ft) |
| Time now | UTC-5 (America/Chicago) | UTC-4 (America/Toronto) |
Clocks in Thunder Bay are 1 h ahead of Rochester right now, so a 7 h 23 min journey lands 8 h 23 min later by the destination clock.
What changes when you arrive in Thunder Bay
Crossing from United States into Canada: money changes from the Dollar to the Dollar (CAD); the dialling code becomes +1; the emergency number is http://www.wikidata.org/entity/Q533806.
Where to book car hire from Rochester to Thunder Bay
We take no bookings for these providers and hold no reservation with them. The provider you choose handles payment, confirmation, changes and refunds. How that works.
Staying in Thunder Bay
Live rooms and prices for Thunder Bay are in the search below.
Book a hotel in Thunder Bay
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is Thunder Bay from Rochester?
544 km (338 mi) in a straight line, north-east of Rochester; by road roughly 664 km (413 mi).
How long does it take to get from Rochester to Thunder Bay by car?
About 7 h 23 min, estimated from distance and typical speeds. Timetables and traffic decide the real figure.
Is there a time difference between Rochester and Thunder Bay?
Thunder Bay is 1 h ahead at the moment (America/Toronto against America/Chicago).
What currency do I need in Thunder Bay?
The Dollar (CAD).
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.