The distance from Kanadukathan to Patna is approximately 2100 km. The most practical way to travel is by taking a train from Karaikudi to Chennai, followed by a connecting train to Patna. Alternatively, you can fly from Madurai to Patna with a layover. The journey takes you across the heart of India. Expect a total travel time of 36 to 40 hours. This route connects the heritage of Tamil Nadu to the historic city of Patna in Bihar.
Total Distance: 2100 km driving distance; 1800 km straight-line air distance.
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Connecting
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Connecting
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| Duration | 40 hours | 8 hours |
| Avg Price | 2800-5000 INR | 9000-16000 INR |
| Operator | Indian Railways | IndiGo |
| Route | Karaikudi to Chennai, then Chennai to Patna. | Madurai Airport to Patna Airport via Delhi or Kolkata. |
| Tip | Book your tickets well in advance as this is a long-distance route. | Check for layover times to ensure a smooth journey. |
October to March, when the weather is pleasant for exploring the city.