Distance between cities › USA › Illinois › Mason, IL › Distance from Mason to Prim Book Hotels

Distance from Mason, IL to Prim, AR

Distance

378 mi

Time

7 hours 47 mins

Gas Cost

$36 - $69

There are 295.53 miles from Mason to Prim in southwest direction and 378 miles (608.33 kilometers) by car, following the I-57 route.

Mason and Prim are 7 hours 47 mins far apart, if you drive non-stop .

This is the fastest route from Mason, IL to Prim, AR.

Mason, IL and Prim, AR are in the same time zone (CDT). Current time in both locations is 1:20 am.

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Lowest Price Rental Cars in Mason, IL

Planning on renting a car to go from Mason, IL to Prim, AR? Here there are some offers to rent a car in Mason, IL

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Mason »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 15.17 gallons of gas to cover the route between Mason, IL and Prim, AR.

The estimated cost of gas to go from Mason to Prim is $49.91.

During the route, an average car will release 297.12 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mason, IL and Prim, AR

If you want to meet halfway between Mason, IL and Prim, AR or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 36.816693 and -89.940295, or 36º 49' 0.0948" N, 89º 56' 25.062" W. This location is 188.81 miles away from Mason, IL and Prim, AR and it would take approximately 3 hours 53 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dexter, MO, situated 196 miles from Mason, IL and 183 miles from Prim, AR. It would take 3 hours 38 mins to go from Mason to Dexter and 4 hours 15 mins to go from Prim to Dexter.