🗺️CityToCityDistance

Belfast to Dublin Distance

104 miles•168 km•1.9 hours

Driving distance and route information from Belfast, United Kingdomto Dublin, Ireland. Compare multiple routes and get detailed travel information.

⭐

FASTEST ROUTE

104.48 mi
(168.15 km)
⏱️1h 53m
Via A1 → E-01 → E-18 → E-20
A1 → E-01
💰 Tolls
📏 Straight-line distance: 87 miles (140 km)
See crow flies distance →
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Complete Driving Guide: Belfast to Dublin

Essential Route Information

TOTAL DISTANCE
104 mi
168 kilometers
DRIVING TIME
1.9 hours
114 minutes
FUEL ESTIMATE
14 L
$21 cost

📍 Route Overview

Starting PointBelfast, Northern Ireland
DestinationDublin, Ireland
Route Options1 available routes
Countries Crossed2+ countries
Time Zone ChangesCheck local times

🚗 Driving Details

Average Speed88 km/h
Straight-line Distance140 km
Route Efficiency83%
Toll RoadsYes - Budget required
Ferry CrossingsNo ferries

Compare All Routes from Belfast to Dublin

Route TypeDistanceDrive TimeAvg SpeedTolls
⭐ Fastest Route104 mi (168 km)1.9 hours89 km/h✅ Yes

Complete Journey Overview: Belfast to Dublin

The road journey from Belfast to Dublin spans approximately 104 miles (168 kilometers), making it a short drive that typically requires 1.9 hours of continuous driving under normal traffic conditions.

This route connects Northern Ireland, United Kingdom withIreland, traversing across international borders between United Kingdom and Ireland. The journey offers 1 distinct routing options, each with unique advantages in terms of distance, time, or scenic value.

The fastest driving route from Belfast to Dublin follows the A1 → E-01 → E-18 → E-20 corridor, maintaining an average speed of approximately 88 km/h. This corridor uses toll roads — budget for tolls along the way. Travelers also cross the international border from United Kingdom into Ireland; allow time for customs and ensure passports are valid.

🗺️ Travel Planning Essentials

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Fuel Planning: Expect to use approximately 4 gallons (14 liters) of fuel for this 104 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: 2.2 hours.
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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)$15
Toll Costs$5
Vehicle Wear & Tear (total, ~$0.25/mi)$26
Total Trip Cost$46

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

Alternative Transportation Options

🚗

By Car

1.9 hours

104 miles

✈️

By Plane

0.2 hours flight

140 km direct

🚌

By Bus

2.5 hours

Multiple stops

More routes from Dublin

View all distances from Dublin →

Belfast to Dublin - Frequently Asked Questions

What is the driving distance from Belfast to Dublin?
The driving distance from Belfast to Dublin is 104 miles (168 km) by the fastest route, which follows A1 → E-01 → E-18 → E-20. The straight-line ("as the crow flies") distance is 140 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 Belfast to Dublin?
The drive from Belfast to Dublin takes approximately 1h 53m of continuous driving at an average speed of 88 km/h. With a 15-minute rest stop every two hours, plan on roughly 2.2 hours of total trip time. Add additional time for traffic, weather, or border crossings.
What is the fastest route from Belfast to Dublin?
The fastest driving route from Belfast to Dublin is 104 miles (168 km) via A1 → E-01 → E-18 → E-20, taking about 1h 53m. This corridor follows the major highway connection between the two cities and is optimized for travel time.
Are there alternative routes from Belfast to Dublin?
The route from Belfast to Dublin is essentially direct — no alternative driving paths offer a meaningfully different distance.
Does the route from Belfast to Dublin include tolls?
Yes, the fastest driving route from Belfast to Dublin includes toll roads along A1 → E-01 → E-18 → E-20. 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 Belfast to Dublin?
A standard car at 30 mpg uses approximately 3 gallons (14 liters) of fuel for the 104-mile (168-km) drive from Belfast to Dublin. At $3.50 per gallon that is roughly $11 in fuel cost; less efficient vehicles or higher local fuel prices will increase this proportionally.
How do I navigate from Belfast to Dublin?
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 Belfast as the origin and Dublin as the destination, so navigation begins as soon as the app opens.