Distance between cities › USA › Texas › Katy, TX › Distance from Katy to Monrovia Book Hotels

Distance from Katy, TX to Monrovia, CA

Distance

1,505 mi

Time

1 day 1 hour

Gas Cost

$138 - $268

There are 1,331.50 miles from Katy to Monrovia in northwest direction and 1,505 miles (2,422.06 kilometers) by car, following the I-10 and US-87 route.

Katy and Monrovia are 1 day 1 hour far apart, if you drive non-stop .

This is the fastest route from Katy, TX to Monrovia, CA. The halfway point is Fairacres, NM.

Please note the time difference between Katy, TX and Monrovia, CA is 2 hours. The current time in Katy is 9:44 pm and the current time in Monrovia is 7:44 pm.

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Lowest Price Rental Cars in Katy, TX

Planning on renting a car to go from Katy, TX to Monrovia, CA? Here there are some offers to rent a car in Katy, TX

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Katy »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 60.46 gallons of gas to cover the route between Katy, TX and Monrovia, CA.

The estimated cost of gas to go from Katy to Monrovia is $193.70.

During the route, an average car will release 1,184.44 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Katy, TX and Monrovia, CA

If you want to meet halfway between Katy, TX and Monrovia, CA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 32.288811 and -106.862785, or 32º 17' 19.7196" N, 106º 51' 46.026" W. This location is 752.67 miles away from Katy, TX and Monrovia, CA and it would take approximately 12 hours 49 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Fairacres, NM, situated 764 miles from Katy, TX and 744 miles from Monrovia, CA. It would take 11 hours 19 mins to go from Katy to Fairacres and 11 hours to go from Monrovia to Fairacres.

Major City Closest to Halfway Point

The major city closest to the halfway point between Katy, TX and Monrovia, CA is Las Cruces, NM, situated 762 miles from Katy, TX and 750 miles from Monrovia, CA. It would take 11 hours 19 mins to go from Katy to and 11 hours 9 mins to go from Monrovia to Las Cruces.