Distance from Pasadena to Ontario, California

Pasadena, CA → Ontario, CA

Distance: 38 miles (61 km)
Drive time: 40–60 minutes (highly traffic-dependent)
Primary route: I-210 East → I-15 South (or CA-57 South → I-10 East)

Route Options

Route	Distance	Typical Time	Notes
I-210 E → I-15 S	38 mi	40–55 min	Most direct; I-15 can congest near I-10
CA-57 S → I-10 E	40 mi	45–60 min	Alternative; CA-57 often smoother
Surface streets (Huntington Dr → Foothill Blvd)	~35 mi	60+ min	Scenic; many signals; not recommended for speed

Traffic Considerations

AM rush (6–9 AM): Westbound heavy (toward LA); eastbound lighter
PM rush (3–7 PM): Eastbound heavy (inland commute); allow +20–30 min
Weekends: Generally lighter; event traffic at Ontario Mills, Auto Club Speedway
Construction: Check Caltrans QuickMap for I-10/I-15/I-210 work

Destination Context

Ontario hosts Ontario International Airport (ONT), Ontario Mills outlet mall, Auto Club Speedway, and major logistics warehouses. Allow extra time for airport drop-offs (recommend 90 min pre-flight for domestic).

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