Sometimes he would go for days without talking to anyone.

I think they could go for days without their eyes meeting.

He expected the workers to be gone for at least four days.

Not bad going for two days on a new world.

He'd been gone for two days, and she never expected to see him again.

That had gone on for days, almost every time her parents saw each other.

"I'm on my way out of the country and will be gone for several days."

It seemed as though I had been gone for days.

Now we go for days without seeing each other at all.

But you could go for days and there would be nothing.