Question: How long does  the 2579km route take?
SQL: SELECT "82.30 hrs(~3.5 days)" FROM "1-26745820-5" WHERE "4286km" = '2579km';

Question: What is the name of the only route that runs to Bhavnagar?
SQL: SELECT "Vivek Express /15905/15906" FROM "1-26745820-5" WHERE "Kanyakumari" = 'Bhavnagar';