Distance Marker on US-20/US-275 West. Distance to O’Neill and Ainsworth. O’Neill has been the control city from Sioux City, Iowa on US-20 westbound. Ainsworth is the control city west from O’Neill to Ainsworth.
US-20 West at US-275
US-20 West at US-275 in Holt County. US-275 West joins US-20 westbound.