Port Huron to Rockford: Road Trip Guide & Distance

342.4 miles 551.1 km · straight line
410.9 miles estimated 661.3 km · driving distance
8h 16min estimated drive time
$40 - $49 estimated fuel cost
~1h 11min flight time
264° W bearing direction

How far is Port Huron from Rockford?

The distance from Port Huron to Rockford is 342.4 miles (551.1 km) as the crow flies. Rockford is located W of Port Huron. By car, the driving distance is approximately 410.9 miles, taking about 8h 16min. A direct flight would take roughly 1h 11min. Both are located in United States — Port Huron in Michigan and Rockford in Illinois.

This is a solid day of driving. Be sure to take breaks every 2-3 hours to avoid driver fatigue, and plan your meals ahead of time. Since you'll be heading mostly West, pack a good pair of sunglasses if you plan to drive during the late afternoon to avoid the harsh sun glare.

Coordinates come from public place data for Port Huron and Rockford. The driving distance is estimated from straight-line distance with a road-factor model, so confirm the route in your navigation app. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Port Huron to Rockford

Method Time Est. Cost Best For
Drive 8h 16min $40 - $49 Flexible stops
Fly ~1h 11min $80–200* Speed
Bus ~9h 55min $33–$62* Budget
Train ~7h 51min $49–$144* Comfort

Suggested Stops Between Port Huron & Rockford

Quick Facts

Port Huron
42.97°N, 82.42°W
America/Detroit
184m elevation
Rockford
42.27°N, 89.09°W
America/Chicago
218m elevation
Explore more routes from Rockford

Did You Know?

  • At walking speed (3 mph), it would take about 114 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 29 hours
  • You could travel this distance about 72.7 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · Driving distance estimated using road factor coefficients