Is there a train from Redwood City to Rancho Cucamonga?

No direct train exists; you would need to combine Caltrain, Amtrak, and Metrolink, which is not practical.

What is the best highway for this trip?

Interstate 5 South is the most direct and efficient highway route.

How long does the drive take?

Expect 6 to 7 hours of driving time depending on traffic conditions.

Are there tolls on this route?

Some express lanes in the Bay Area and near Los Angeles may require a FasTrak account.

Is Ontario Airport better than LAX?

Yes, Ontario is significantly closer to Rancho Cucamonga and less congested than LAX.

Redwood City

Rancho Cucamonga

Flight Driving

Redwood City to Rancho Cucamonga

Updated: 31 May 2026

The journey from Redwood City to Rancho Cucamonga spans approximately 650 kilometers through the heart of California. Most travelers prefer driving via Interstate 5 South, which takes about 6 to 7 hours depending on traffic near the Grapevine. Alternatively, you can fly from San Francisco International Airport to Ontario International Airport for a faster transit. This route transitions from the tech-heavy Peninsula to the suburban landscape of the Inland Empire. Expect varied terrain ranging from the Central Valley plains to the mountainous passes of Southern California.

Total Distance: 650 km driving distance, 580 km straight-line air distance.

Fastest Way

Flying from SFO to ONT is the fastest, totaling under 4 hours including security.

Cheapest Way

Driving is the most cost-effective option for groups or families.

Compare Redwood City to Rancho Cucamonga Routes

	Flight Direct	Driving Direct
Duration	3 hours 45 mins	6 hours 30 mins
Avg Price	$150-$300	$80-$120 in fuel
Operator	United Airlines	Personal Vehicle
Route	SFO to ONT.	I-280 S to US-101 S, then I-5 S to CA-210 E.
Tip	Book flights arriving at Ontario International to save 45 minutes of driving compared to LAX.	Avoid the Grapevine section of I-5 during high wind warnings or heavy fog.

Travel Tips

Traffic Timing
Leave Redwood City before 6 AM to bypass the worst of the San Jose and Los Angeles rush hour traffic.
Fuel Stops
Refuel in the Central Valley, specifically near Kettleman City, where gas prices are often lower than in the Bay Area.
Hydration
Keep extra water in your vehicle, especially if driving through the Central Valley during summer months.
Toll Roads
Check if your rental car has a FasTrak transponder for potential express lanes on your route.
Rest Areas
Utilize the designated Caltrans rest areas along I-5 for safe breaks during the long drive.

Safety Tips

Mountain Driving
The Tejon Pass on I-5 can be steep; ensure your brakes and cooling system are in good condition.
Visibility
Fog can be dense in the Central Valley; use low-beam headlights and maintain a safe following distance.
Emergency Kit
Carry a basic roadside emergency kit including jumper cables and a flashlight.
Driver Fatigue
Switch drivers every 3 hours to maintain alertness on the monotonous stretches of I-5.