Chennai to Patna distance
How far Patna is from Chennai by road, in a straight line and by air, with driving time. The same figures apply from Patna to Chennai.
Chennai to Patna by road
1,890 km
- Driving time
- about 23 to 31 hours
- Straight line
- 1,481 km
- By air
- about 2 h 21 min flying time
- Direction
- Patna is to the north of Chennai
Fuel cost for this trip
Type today's fuel price to see the cost. At 15 km per litre this trip needs about 126 litres one way.
About the trip
- The road distance from Chennai (Tamil Nadu) to Patna (Bihar) is 1,890 km. The return trip is the same road, so a round trip is about 3,780 km.
- The straight-line distance is 1,481 km. The road is 28% longer than the straight line.
- The map's driving time is 23 h 15 min without traffic or stops. On Indian roads, with tolls, towns and breaks, plan for 23 to 31 hours.
- Patna is to the north of Chennai; coming back you travel south.
- The larger city nearest the middle of the straight line is Visakhapatnam.
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 1,890 km |
|---|---|
| 40 km an hour | 47 h 15 min |
| 50 km an hour | 37 h 48 min |
| 60 km an hour | 31 h 30 min |
| 70 km an hour | 27 h 00 min |
| 80 km an hour | 23 h 38 min |
Fuel needed
| Mileage | One way | Round trip |
|---|---|---|
| 12 km per litre | 158 litres | 315 litres |
| 15 km per litre | 126 litres | 252 litres |
| 18 km per litre | 105 litres | 210 litres |
| 22 km per litre | 86 litres | 172 litres |
| 40 km per litre | 47 litres | 94 litres |
More distances
- Chennai to Tirupati 135 km
- Chennai to Vellore 139 km
- Chennai to Puducherry 150 km
- Chennai to Nellore 176 km
- Chennai to Bengaluru 327 km
- Chennai to Tiruchirappalli 327 km
- Chennai to Thanjavur 333 km
- Chennai to Salem 349 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 Chennai · All distances from Patna
Questions
What is the distance from Chennai to Patna by road?
About 1,890 km by the fastest road route. The same road back makes a round trip of about 3,780 km.
How long does it take to drive from Chennai to Patna?
Plan for about 23 to 31 hours. The map estimate without traffic or stops is 23 h 15 min.
What is the straight-line distance between Chennai and Patna?
About 1,481 km in a straight line (as the crow flies). A direct flight would take about 2 h 21 min in the air.
Road figures are worked out from OpenStreetMap data and can differ from the road you take. How it is calculated