Kolkata to Patna Distance
373 miles•601 km•13.3 hours
Driving distance and route information from Kolkata, Indiato Patna, India. Compare multiple routes and get detailed travel information.
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FASTEST ROUTE
373.44 mi
(600.99 km)
⏱️13h 20m
Via NH19 → SH13 → NH419 → NH20
NH19 → SH13
💰 Tolls
🔄
ALTERNATIVE ROUTE
458.93 mi
(738.58 km)
⏱️14h 32m
Via NH16 → AH45 → NH49 → NH18
NH16 → AH45
📏 Straight-line distance: 293 miles (471 km)
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Complete Driving Guide: Kolkata to Patna
Essential Route Information
TOTAL DISTANCE
373 mi
601 kilometers
DRIVING TIME
13.3 hours
798 minutes
FUEL ESTIMATE
50 L
$75 cost
📍 Route Overview
Starting PointKolkata, West Bengal
DestinationPatna, Bihar
Route Options2 available routes
Countries Crossed1 country
Time Zone ChangesCheck local times
🚗 Driving Details
Average Speed45 km/h
Straight-line Distance471 km
Route Efficiency78%
Toll RoadsYes - Budget required
Ferry CrossingsNo ferries
Compare All Routes from Kolkata to Patna
| Route Type | Distance | Drive Time | Avg Speed | Tolls |
|---|---|---|---|---|
| ⭐ Fastest Route | 373 mi (601 km) | 13.3 hours | 45 km/h | ✅ Yes |
| Alternative 1 | 459 mi (739 km) | 14.5 hours | 51 km/h | ❌ No |
Complete Journey Overview: Kolkata to Patna
The road journey from Kolkata to Patna spans approximately 373 miles (601 kilometers), making it a long-distance drive that typically requires 13.3 hours of continuous driving under normal traffic conditions.
This route connects West Bengal, India with Bihar, India, traversing through various regions within India. The journey offers 2 distinct routing options, each with unique advantages in terms of distance, time, or scenic value.
The fastest driving route from Kolkata to Patna follows the NH19 → SH13 → NH419 → NH20 corridor, maintaining an average speed of approximately 45 km/h. This corridor uses toll roads — budget for tolls along the way.
🗺️ Travel Planning Essentials
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Fuel Planning: Expect to use approximately 15 gallons (50 liters) of fuel for this 373 mile journey. Plan fuel stops every 250-300 miles.
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Rest Stops: For safety, plan a 15-minute break every 2 hours of driving. Total journey with breaks: 15.3 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)$52
Toll Costs$19
Vehicle Wear & Tear (total, ~$0.25/mi)$93
Total Trip Cost$164
* Costs are estimates based on average fuel prices and vehicle maintenance. Actual costs may vary.
Alternative Transportation Options
🚗
By Car
13.3 hours
373 miles
✈️
By Plane
0.6 hours flight
471 km direct
🚌
By Bus
17.3 hours
Multiple stops
More routes from Kolkata
Kolkata to Patna - Frequently Asked Questions
What is the driving distance from Kolkata to Patna?
The driving distance from Kolkata to Patna is 373 miles (601 km) by the fastest route, which follows NH19 → SH13 → NH419 → NH20. The straight-line ("as the crow flies") distance is 471 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 Kolkata to Patna?
The drive from Kolkata to Patna takes approximately 13h 20m of continuous driving at an average speed of 45 km/h. With a 15-minute rest stop every two hours, plan on roughly 15.3 hours of total trip time. Add additional time for traffic, weather, or border crossings.
What is the fastest route from Kolkata to Patna?
The fastest driving route from Kolkata to Patna is 373 miles (601 km) via NH19 → SH13 → NH419 → NH20, taking about 13h 20m. This corridor follows the major highway connection between the two cities and is optimized for travel time.
Are there alternative routes from Kolkata to Patna?
Yes, 2 routing options exist between Kolkata and Patna. Alternatives have similar total distance but use different road segments — useful if the primary corridor has heavy traffic or construction.
Does the route from Kolkata to Patna include tolls?
Yes, the fastest driving route from Kolkata to Patna includes toll roads along NH19 → SH13 → NH419 → NH20. 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 Kolkata to Patna?
A standard car at 30 mpg uses approximately 12 gallons (50 liters) of fuel for the 373-mile (601-km) drive from Kolkata to Patna. At $3.50 per gallon that is roughly $42 in fuel cost; less efficient vehicles or higher local fuel prices will increase this proportionally.
How do I navigate from Kolkata to Patna?
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 Kolkata as the origin and Patna as the destination, so navigation begins as soon as the app opens.