Distance between cities › USA › Maryland › Poolesville, MD › Distance from Poolesville to Onslow Book Hotels

Distance from Poolesville, MD to Onslow, IA

Distance

885 mi

Time

16 hours 38 mins

Gas Cost

$83 - $160

There are 740.93 miles from Poolesville to Onslow in northwest direction and 885 miles (1,424.27 kilometers) by car, following the I-80 route.

Poolesville and Onslow are 16 hours 38 mins far apart, if you drive non-stop .

This is the fastest route from Poolesville, MD to Onslow, IA.

Please note the time difference between Poolesville, MD and Onslow, IA is 1 hour. The current time in Poolesville is 8:20 am and the current time in Onslow is 7:20 am.

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Lowest Price Rental Cars in Poolesville, MD

Planning on renting a car to go from Poolesville, MD to Onslow, IA? Here there are some offers to rent a car in Poolesville, MD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Poolesville »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 35.55 gallons of gas to cover the route between Poolesville, MD and Onslow, IA.

The estimated cost of gas to go from Poolesville to Onslow is $115.97.

During the route, an average car will release 696.51 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 $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Poolesville, MD and Onslow, IA

If you want to meet halfway between Poolesville, MD and Onslow, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.600247 and -83.847512, or 41º 36' 0.8892" N, 83º 50' 51.0432" W. This location is 442.60 miles away from Poolesville, MD and Onslow, IA and it would take approximately 8 hours 19 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Swanton, OH, situated 455 miles from Poolesville, MD and 433 miles from Onslow, IA. It would take 8 hours 33 mins to go from Poolesville to Swanton and 8 hours 18 mins to go from Onslow to Swanton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Poolesville, MD and Onslow, IA is Toledo, OH, situated 445 miles from Poolesville, MD and 452 miles from Onslow, IA. It would take 8 hours 24 mins to go from Poolesville to Toledo and 8 hours 39 mins to go from Onslow to Toledo.