Seoul to Daejeon Distance
101 miles•162 km•2.5 hours
Driving distance and route information from Seoul, South Koreato Daejeon, South Korea. Compare multiple routes and get detailed travel information.
⭐
FASTEST ROUTE
100.84 mi
(162.29 km)
⏱️2h 30m
Via AH1
AH1
💰 Tolls
🔄
ALTERNATIVE ROUTE
104.37 mi
(167.96 km)
⏱️2h 31m
Via AH1
AH1
💰 Tolls
📏 Straight-line distance: 87 miles (140 km)
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Complete Driving Guide: Seoul to Daejeon
Essential Route Information
TOTAL DISTANCE
101 mi
162 kilometers
DRIVING TIME
2.5 hours
150 minutes
FUEL ESTIMATE
14 L
$20 cost
📍 Route Overview
Starting PointSeoul, South Korea
DestinationDaejeon, South Korea
Route Options2 available routes
Countries Crossed1 country
Time Zone ChangesCheck local times
🚗 Driving Details
Average Speed65 km/h
Straight-line Distance140 km
Route Efficiency86%
Toll RoadsYes - Budget required
Ferry CrossingsNo ferries
Compare All Routes from Seoul to Daejeon
| Route Type | Distance | Drive Time | Avg Speed | Tolls |
|---|---|---|---|---|
| ⭐ Fastest Route | 101 mi (162 km) | 2.5 hours | 65 km/h | ✅ Yes |
| Alternative 1 | 104 mi (168 km) | 2.5 hours | 67 km/h | ✅ Yes |
Complete Journey Overview: Seoul to Daejeon
The road journey from Seoul to Daejeon spans approximately 101 miles (162 kilometers), making it a short drive that typically requires 2.5 hours of continuous driving under normal traffic conditions.
This route connects South Korea withSouth Korea, traversing through various regions within South Korea. The journey offers 2 distinct routing options, each with unique advantages in terms of distance, time, or scenic value.
The fastest driving route from Seoul to Daejeon follows the AH1 corridor, maintaining an average speed of approximately 65 km/h. This corridor uses toll roads — budget for tolls along the way.
🗺️ Travel Planning Essentials
✓
Fuel Planning: Expect to use approximately 4 gallons (14 liters) of fuel for this 101 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: 2.9 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.
✓
Weather Check: Monitor weather conditions along the entire route, especially during winter months or rainy seasons.
💰 Cost Estimation Guide
Fuel Cost (approximate)$14
Toll Costs$5
Vehicle Wear & Tear (total, ~$0.25/mi)$25
Total Trip Cost$44
* Costs are estimates based on average fuel prices and vehicle maintenance. Actual costs may vary.
Alternative Transportation Options
🚗
By Car
2.5 hours
101 miles
✈️
By Plane
0.2 hours flight
140 km direct
🚌
By Bus
3.3 hours
Multiple stops
More routes from Seoul
Seoul to Daejeon - Frequently Asked Questions
What is the driving distance from Seoul to Daejeon?
The driving distance from Seoul to Daejeon is 101 miles (162 km) by the fastest route, which follows AH1. 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 Seoul to Daejeon?
The drive from Seoul to Daejeon takes approximately 2h 30m of continuous driving at an average speed of 65 km/h. With a 15-minute rest stop every two hours, plan on roughly 2.9 hours of total trip time. Add additional time for traffic, weather, or border crossings.
What is the fastest route from Seoul to Daejeon?
The fastest driving route from Seoul to Daejeon is 101 miles (162 km) via AH1, taking about 2h 30m. This corridor follows the major highway connection between the two cities and is optimized for travel time.
Are there alternative routes from Seoul to Daejeon?
Yes, 2 routing options exist between Seoul and Daejeon. Alternatives have similar total distance but use different road segments — useful if the primary corridor has heavy traffic or construction.
Does the route from Seoul to Daejeon include tolls?
Yes, the fastest driving route from Seoul to Daejeon includes toll roads along AH1. 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 Seoul to Daejeon?
A standard car at 30 mpg uses approximately 3 gallons (14 liters) of fuel for the 101-mile (162-km) drive from Seoul to Daejeon. 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 Seoul to Daejeon?
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 Seoul as the origin and Daejeon as the destination, so navigation begins as soon as the app opens.