The journey from Sonapur to Kolkata covers approximately 1000 km. You must first reach Guwahati, the nearest major transit hub. The Saraighat Express is the most reliable train connection. Alternatively, flights from Lokpriya Gopinath Bordoloi International Airport offer a 1-hour transit. The route traverses the scenic plains of West Bengal via NH 27.
Total Distance: 1000 km by road, 850 km air distance.
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Direct from Guwahati
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Direct
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| Duration | 20 hours | 1 hour 15 mins |
| Avg Price | 800 - 2500 INR | 4000 - 8000 INR |
| Operator | Saraighat Express | IndiGo |
| Route | Guwahati to Howrah Junction via New Jalpaiguri. | GAU to CCU airport. |
| Tip | Book at least 60 days in advance for confirmed sleeper berths. | Reach GAU airport 2 hours before departure due to security checks. |
October to March for pleasant weather in both regions.