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

Distance from Mason, IL to Castleton, IL

Distance

211 mi

Time

4 hours 20 mins

Gas Cost

$22 - $43

There are 160.15 miles from Mason to Castleton in northwest direction and 211 miles (339.57 kilometers) by car, following the I-57 route.

Mason and Castleton are 4 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Mason, IL to Castleton, IL. The halfway point is Farmer City, IL.

Mason, IL and Castleton, IL are in the same time zone (CDT). Current time in both locations is 10:52 pm.

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Lowest Price Rental Cars in Mason, IL

Planning on renting a car to go from Mason, IL to Castleton, IL? 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 8.47 gallons of gas to cover the route between Mason, IL and Castleton, IL.

The estimated cost of gas to go from Mason to Castleton is $30.90.

During the route, an average car will release 166.04 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 $3.65 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Mason, IL and Castleton, IL

If you want to meet halfway between Mason, IL and Castleton, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 40.264763 and -88.647682, or 40º 15' 53.1468" N, 88º 38' 51.6552" W. This location is 105.51 miles away from Mason, IL and Castleton, IL and it would take approximately 2 hours 10 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Farmer City, IL, situated 113 miles from Mason, IL and 107 miles from Castleton, IL. It would take 1 hour 53 mins to go from Mason to Farmer City and 2 hours 5 mins to go from Castleton to Farmer City.