Montevideo to Buenos Aires Distance

147 miles•237 km•3.7 hours

Driving distance and route information from Montevideo, Uruguayto Buenos Aires, Argentina. Compare multiple routes and get detailed travel information.

⭐

FASTEST ROUTE

147.22 mi

(236.92 km)

⏱️3h 42m

Via AU1

AU1

💰 Tolls🚢 Ferry

📏

SHORTEST ROUTE

145.21 mi

(233.69 km)

⏱️4h 4m

Direct route

💰 Tolls🚢 Ferry

📏 Straight-line distance: 126 miles (203 km)

See crow flies distance →

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Complete Driving Guide: Montevideo to Buenos Aires

Essential Route Information

TOTAL DISTANCE

147 mi

237 kilometers

DRIVING TIME

3.7 hours

222 minutes

FUEL ESTIMATE

20 L

$30 cost

📍 Route Overview

Starting PointMontevideo, Montevideo

DestinationBuenos Aires, Autonomous City of Buenos Aires

Route Options2 available routes

Countries Crossed2+ countries

Time Zone ChangesCheck local times

🚗 Driving Details

Average Speed64 km/h

Straight-line Distance203 km

Route Efficiency86%

Toll RoadsYes - Budget required

Ferry CrossingsYes - Check schedules

Compare All Routes from Montevideo to Buenos Aires

Route Type	Distance	Drive Time	Avg Speed	Tolls
⭐ Fastest Route	147 mi (237 km)	3.7 hours	64 km/h	✅ Yes
Alternative 1	145 mi (234 km)	4.1 hours	58 km/h	✅ Yes

Complete Journey Overview: Montevideo to Buenos Aires

The road journey from Montevideo to Buenos Aires spans approximately 147 miles (237 kilometers), making it a medium-distance drive that typically requires 3.7 hours of continuous driving under normal traffic conditions.

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

The fastest driving route from Montevideo to Buenos Aires follows the AU1 corridor, maintaining an average speed of approximately 64 km/h. This corridor uses toll roads — budget for tolls along the way. The route also includes a ferry crossing — check schedules in advance. Travelers also cross the international border from Uruguay into Argentina; allow time for customs and ensure passports are valid.

🗺️ Travel Planning Essentials

✓

Fuel Planning: Expect to use approximately 6 gallons (20 liters) of fuel for this 147 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: 4.3 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)$21

Toll Costs$7

Vehicle Wear & Tear (total, ~$0.25/mi)$37

Total Trip Cost$65

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

Alternative Transportation Options

🚗

By Car

3.7 hours

147 miles

✈️

By Plane

0.3 hours flight

203 km direct

🚌

By Bus

4.8 hours

Multiple stops

More routes from Buenos Aires

View all distances from Buenos Aires →

Montevideo to Buenos Aires - Frequently Asked Questions

What is the driving distance from Montevideo to Buenos Aires?

The driving distance from Montevideo to Buenos Aires is 147 miles (237 km) by the fastest route, which follows AU1. The straight-line ("as the crow flies") distance is 203 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 Montevideo to Buenos Aires?

The drive from Montevideo to Buenos Aires takes approximately 3h 42m of continuous driving at an average speed of 64 km/h. With a 15-minute rest stop every two hours, plan on roughly 4.3 hours of total trip time. Add additional time for traffic, weather, or border crossings.

What is the fastest route from Montevideo to Buenos Aires?

The fastest driving route from Montevideo to Buenos Aires is 147 miles (237 km) via AU1, taking about 3h 42m. This corridor follows the major highway connection between the two cities and is optimized for travel time.

Are there alternative routes from Montevideo to Buenos Aires?

Yes — alongside the fastest route, a shorter alternative covers 145.21 miles (234 km) in about 4h 4m. The shortest path saves 1.789999999999992 miles but takes longer overall because it uses smaller roads.

Does the route from Montevideo to Buenos Aires include tolls?

Yes, the fastest driving route from Montevideo to Buenos Aires includes toll roads along AU1. 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 Montevideo to Buenos Aires?

A standard car at 30 mpg uses approximately 5 gallons (20 liters) of fuel for the 147-mile (237-km) drive from Montevideo to Buenos Aires. At $3.50 per gallon that is roughly $18 in fuel cost; less efficient vehicles or higher local fuel prices will increase this proportionally.

How do I navigate from Montevideo to Buenos Aires?

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 Montevideo as the origin and Buenos Aires as the destination, so navigation begins as soon as the app opens.