Kolkata to Patna distance
How far Patna is from Kolkata by road, in a straight line and by air, with driving time. The same figures apply from Patna to Kolkata.
Kolkata to Patna by road
605 km
- Driving time
- about 7.5 to 10 hours
- Straight line
- 470 km
- By air
- about 1 h 05 min flying time
- Direction
- Patna is to the north-west of Kolkata
Fuel cost for this trip
Type today's fuel price to see the cost. At 15 km per litre this trip needs about 40 litres one way.
About the trip
- The road distance from Kolkata (West Bengal) to Patna (Bihar) is 605 km. The return trip is the same road, so a round trip is about 1,210 km.
- The straight-line distance is 470 km. The road is 29% longer than the straight line.
- The map's driving time is 7 h 27 min without traffic or stops. On Indian roads, with tolls, towns and breaks, plan for 7.5 to 10 hours.
- Patna is to the north-west of Kolkata; coming back you travel south-east.
- The larger city nearest the middle of the straight line is Dhanbad.
How long at different speeds
Your average speed over a whole trip, with stops, is much lower than the speed you drive at. On highways 50 to 60 km an hour is common; in hills, 25 to 35.
| Average speed | Time for 605 km |
|---|---|
| 40 km an hour | 15 h 08 min |
| 50 km an hour | 12 h 06 min |
| 60 km an hour | 10 h 05 min |
| 70 km an hour | 8 h 39 min |
| 80 km an hour | 7 h 34 min |
Fuel needed
| Mileage | One way | Round trip |
|---|---|---|
| 12 km per litre | 50 litres | 101 litres |
| 15 km per litre | 40 litres | 81 litres |
| 18 km per litre | 34 litres | 67 litres |
| 22 km per litre | 28 litres | 55 litres |
| 40 km per litre | 15 litres | 30 litres |
More distances
- Kolkata to Durgapur 195 km
- Kolkata to Asansol 232 km
- Kolkata to Jamshedpur 283 km
- Kolkata to Dhanbad 296 km
- Kolkata to Ranchi 400 km
- Kolkata to Bhagalpur 403 km
- Kolkata to Cuttack 418 km
- Kolkata to Bhubaneswar 441 km
- Patna to Muzaffarpur 72 km
- Patna to Gaya 98 km
- Patna to Bhagalpur 226 km
- Patna to Varanasi 241 km
- Patna to Gorakhpur 265 km
- Patna to Dhanbad 319 km
- Patna to Ranchi 325 km
- Patna to Prayagraj 362 km
All distances from Kolkata · All distances from Patna
Questions
What is the distance from Kolkata to Patna by road?
About 605 km by the fastest road route. The same road back makes a round trip of about 1,210 km.
How long does it take to drive from Kolkata to Patna?
Plan for about 7.5 to 10 hours. The map estimate without traffic or stops is 7 h 27 min.
What is the straight-line distance between Kolkata and Patna?
About 470 km in a straight line (as the crow flies). A direct flight would take about 1 h 05 min in the air.
Road figures are worked out from OpenStreetMap data and can differ from the road you take. How it is calculated