Distance between cities › USA › Mississippi › Etta, MS › Distance from Etta to Williamson Book Hotels

Distance from Etta, MS to Williamson, IA

Distance

663 mi

Time

13 hours 3 mins

Gas Cost

$62 - $121

There are 507.21 miles from Etta to Williamson in northwest direction and 663 miles (1,067.00 kilometers) by car, following the I-55 and US-78 route.

Etta and Williamson are 13 hours 3 mins far apart, if you drive non-stop .

This is the fastest route from Etta, MS to Williamson, IA.

Etta, MS and Williamson, IA are in the same time zone (CDT). Current time in both locations is 3:23 am.

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Lowest Price Rental Cars in Etta, MS

Planning on renting a car to go from Etta, MS to Williamson, IA? Here there are some offers to rent a car in Etta, MS

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Etta »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 26.63 gallons of gas to cover the route between Etta, MS and Williamson, IA.

The estimated cost of gas to go from Etta to Williamson is $87.62.

During the route, an average car will release 521.64 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 Etta, MS and Williamson, IA

If you want to meet halfway between Etta, MS and Williamson, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.42716 and -90.384577, or 38º 25' 37.776" N, 90º 23' 4.4772" W. This location is 331.48 miles away from Etta, MS and Williamson, IA and it would take approximately 6 hours 31 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Arnold, MO, situated 343 miles from Etta, MS and 321 miles from Williamson, IA. It would take 6 hours 27 mins to go from Etta to Arnold and 6 hours 41 mins to go from Williamson to Arnold.

Major City Closest to Halfway Point

The major city closest to the halfway point between Etta, MS and Williamson, IA is Saint Louis, MO, situated 360 miles from Etta, MS and 317 miles from Williamson, IA. It would take 6 hours 48 mins to go from Etta to Saint Louis and 6 hours 35 mins to go from Williamson to Saint Louis.