Distance between cities › USA › California › Williams, CA › Distance from Williams to Ottawa Book Hotels

Distance from Williams, CA to Ottawa, IL

Distance

2,003 mi

Time

1 day 10 hours

Gas Cost

$188 - $366

There are 1,752.09 miles from Williams to Ottawa in east direction and 2,003 miles (3,223.52 kilometers) by car, following the I-80 route.

Williams and Ottawa are 1 day 10 hours far apart, if you drive non-stop .

This is the fastest route from Williams, CA to Ottawa, IL.

Please note the time difference between Williams, CA and Ottawa, IL is 2 hours. The current time in Williams is 11:42 pm (Mar 12) and the current time in Ottawa is 1:42 am (Mar 13).

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Lowest Price Rental Cars in Williams, CA

Planning on renting a car to go from Williams, CA to Ottawa, IL? Here there are some offers to rent a car in Williams, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Williams »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 80.45 gallons of gas to cover the route between Williams, CA and Ottawa, IL.

The estimated cost of gas to go from Williams to Ottawa is $264.76.

During the route, an average car will release 1,576.17 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 Williams, CA and Ottawa, IL

If you want to meet halfway between Williams, CA and Ottawa, IL or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.581546 and -106.168953, or 41º 34' 53.5656" N, 106º 10' 8.2308" W. This location is 1,001.60 miles away from Williams, CA and Ottawa, IL and it would take approximately 17 hours 18 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Arlington, WY, situated 1,021 miles from Williams, CA and 983 miles from Ottawa, IL. It would take 17 hours 33 mins to go from Williams to Arlington and 17 hours 6 mins to go from Ottawa to Arlington.