Buenos Aires to Santiago Distance

864 miles•1391 km•18.1 hours

Driving distance and route information from Buenos Aires, Argentinato Santiago, Chile. Compare multiple routes and get detailed travel information.

⭐

FASTEST ROUTE

864.45 mi

(1391.19 km)

⏱️18h 6m

Via AU1 → AU6 → RN7

AU1 → AU6

💰 Tolls

🔄

ALTERNATIVE ROUTE

950.18 mi

(1529.17 km)

⏱️19h 32m

Via AU6 → RN7 → RN188 → RN143

AU6 → RN7

💰 Tolls

📏 Straight-line distance: 706 miles (1137 km)

See crow flies distance →

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Complete Driving Guide: Buenos Aires to Santiago

Essential Route Information

TOTAL DISTANCE

864 mi

1391 kilometers

DRIVING TIME

18.1 hours

1086 minutes

FUEL ESTIMATE

116 L

$174 cost

📍 Route Overview

Starting PointBuenos Aires, Autonomous City of Buenos Aires

DestinationSantiago, Santiago Metropolitan Region

Route Options2 available routes

Countries Crossed2+ countries

Time Zone ChangesCheck local times

🚗 Driving Details

Average Speed77 km/h

Straight-line Distance1137 km

Route Efficiency82%

Toll RoadsYes - Budget required

Ferry CrossingsNo ferries

Compare All Routes from Buenos Aires to Santiago

Route Type	Distance	Drive Time	Avg Speed	Tolls
⭐ Fastest Route	864 mi (1391 km)	18.1 hours	77 km/h	✅ Yes
Alternative 1	950 mi (1529 km)	19.5 hours	78 km/h	✅ Yes

Complete Journey Overview: Buenos Aires to Santiago

The road journey from Buenos Aires to Santiago spans approximately 864 miles (1391 kilometers), making it a long-distance drive that typically requires 18.1 hours of continuous driving under normal traffic conditions.

This route connects Autonomous City of Buenos Aires, Argentina with Santiago Metropolitan Region, Chile, traversing across international borders between Argentina and Chile. The journey offers 2 distinct routing options, each with unique advantages in terms of distance, time, or scenic value.

The fastest driving route from Buenos Aires to Santiago follows the AU1 → AU6 → RN7 corridor, maintaining an average speed of approximately 77 km/h. This corridor uses toll roads — budget for tolls along the way. Travelers also cross the international border from Argentina into Chile; allow time for customs and ensure passports are valid.

🗺️ Travel Planning Essentials

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Fuel Planning: Expect to use approximately 35 gallons (116 liters) of fuel for this 864 mile journey. Plan fuel stops every 250-300 miles.

✓

Rest Stops: For safety, plan a 15-minute break every 2 hours of driving. Total journey with breaks: 20.8 hours.

✓

Best Travel Times: Avoid peak traffic hours (7-9 AM and 5-7 PM) in major cities along your route for optimal travel time.

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Weather Check: Monitor weather conditions along the entire route, especially during winter months or rainy seasons.

💰 Cost Estimation Guide

Fuel Cost (approximate)$121

Toll Costs$43

Vehicle Wear & Tear (total, ~$0.25/mi)$216

Total Trip Cost$380

* Costs are estimates based on average fuel prices and vehicle maintenance. Actual costs may vary.

Alternative Transportation Options

🚗

By Car

18.1 hours

864 miles

✈️

By Plane

1.4 hours flight

1137 km direct

🚌

By Bus

23.5 hours

Multiple stops

More routes from Buenos Aires

View all distances from Buenos Aires →

More routes from Santiago

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Buenos Aires to Santiago - Frequently Asked Questions

What is the driving distance from Buenos Aires to Santiago?

The driving distance from Buenos Aires to Santiago is 864 miles (1391 km) by the fastest route, which follows AU1 → AU6 → RN7. The straight-line ("as the crow flies") distance is 1137 km — driving distances are typically 20-40% longer than straight-line because roads must navigate around terrain and built environment.

How long does it take to drive from Buenos Aires to Santiago?

The drive from Buenos Aires to Santiago takes approximately 18h 6m of continuous driving at an average speed of 77 km/h. With a 15-minute rest stop every two hours, plan on roughly 20.8 hours of total trip time. Add additional time for traffic, weather, or border crossings.

What is the fastest route from Buenos Aires to Santiago?

The fastest driving route from Buenos Aires to Santiago is 864 miles (1391 km) via AU1 → AU6 → RN7, taking about 18h 6m. This corridor follows the major highway connection between the two cities and is optimized for travel time.

Are there alternative routes from Buenos Aires to Santiago?

Yes, 2 routing options exist between Buenos Aires and Santiago. Alternatives have similar total distance but use different road segments — useful if the primary corridor has heavy traffic or construction.

Does the route from Buenos Aires to Santiago include tolls?

Yes, the fastest driving route from Buenos Aires to Santiago includes toll roads along AU1 → AU6 → RN7. Toll costs vary by vehicle class and exact path; check the route summary cards above for toll-road indicators on each route option.

How much fuel does it take to drive from Buenos Aires to Santiago?

A standard car at 30 mpg uses approximately 29 gallons (116 liters) of fuel for the 864-mile (1391-km) drive from Buenos Aires to Santiago. At $3.50 per gallon that is roughly $102 in fuel cost; less efficient vehicles or higher local fuel prices will increase this proportionally.

How do I navigate from Buenos Aires to Santiago?

Use the "Open this route in your nav app" buttons above the journey guide to launch turn-by-turn directions in Google Maps, Apple Maps, or Waze. Each link pre-fills Buenos Aires as the origin and Santiago as the destination, so navigation begins as soon as the app opens.