The campaign will last for several months or until the money runs out.

The official campaign started on September 3, and lasted for next 30 days.

Though the new campaign will last just four or five days, they are calling for debates.

A 'campaign' may last a few hours, a day, weeks or even months.

The campaign in the desert would last for ten days.

I don't think the campaign will last more than a few months.

The campaign will last until October, and another set of ads is due next month.

It was always intended that the campaign would last a limited amount of time.

His formal campaign had lasted only three and a half months.

The campaign will last until the end of the year.