Explore the top places to visit on a road trip from Altadena to Ontario, California. Enjoy scenic drives, hiking trails, great food, and historic sites. Find out more in this guide.

Planning a road trip from Altadena, CA to Ontario, CA? Check out our guide to the cost of driving with current gas prices for different routes and toll prices.

Discover the best routes and estimated driving times for the 35-mile drive from Altadena to Ontario, CA. Plan ahead to avoid traffic delays and enjoy a smooth journey!