Distance between cities › USA › Michigan › Union, MI › Distance from Union to Constantine Book Hotels

Distance from Union, MI to Constantine, MI

Distance

12 mi

Time

17 minutes

Gas Cost

$1 - $2

There are 10.94 miles from Union to Constantine in northeast direction and 12 miles (19.31 kilometers) by car, following the US-12 route.

Union and Constantine are 17 minutes far apart, if you drive non-stop .

This is the fastest route from Union, MI to Constantine, MI.

Union, MI and Constantine, MI are in the same time zone (EDT). Current time in both locations is 10:56 pm.

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Lowest Price Rental Cars in Union, MI

Planning on renting a car to go from Union, MI to Constantine, MI? Here there are some offers to rent a car in Union, MI

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Union »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.48 gallons of gas to cover the route between Union, MI and Constantine, MI.

The estimated cost of gas to go from Union to Constantine is $1.74.

During the route, an average car will release 9.47 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.61 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Union, MI and Constantine, MI

If you want to meet halfway between Union, MI and Constantine, MI or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.799038 and -85.744926, or 41º 47' 56.5368" N, 85º 44' 41.7336" W. This location is 6.02 miles away from Union, MI and Constantine, MI and it would take approximately 8 minutes to reach the halfway point from both locations.