There is a total of 6423 clues beginning with op
- Option for seeing the sites quickly, for short
 - Option for sneakers
 - Option for some long trips
 - Option for some surgeries
 - Option for the first Mustangs
 - Option for the inn crowd
 - Option for the inn crowd?
 - Option for the jet set
 - Option for the present
 - Option for thickening soup
 - Option for Tom Brady
 - Option for welfare recipients, briefly
 - Option for wings
 - Option for WWW surfers
 - Option from Howie
 - Option having a virgule
 - Option if one wants to make a move?
 - Option in "Hamlet"
 - Option in a "no strings attached" relationship
 - Option in a 1928 song title
 - Option in a classic taste test
 - Option in a File menu
 - Option in a GPS (Abbr)
 - Option in a pajama party game
 - Option in a photo editing app
 - Option in a threat
 - Option in a voice vote
 - Option in an Edit menu
 - Option in binary
 - Option in many drop-down menus
 - Option in many seafood restaurants
 - Option in Polk's slogan
 - Option in some new autos
 - Option in the Monty Hall problem
 - Option list
 - Option most likely to succeed
 - Option not available in a convertible
 - Option offered by Howie Mandel
 - Option on "Let's Make a Deal"
 - Option on "Wheel of Fortune"
 - Option on a library's website
 - Option on an edit menu
 - Option on an online order form
 - Option on In-N-Out Burger's secret menu, or a hint to 18-, 23-, 51- and 56-Across
 - Option on some sports cars
 - Option on some sporty cars
 - Option on stocks: Abbr
 - Option pickup
 - Option plays in a game of skat
 - Option that's almost always listed last
 - Option type
 - Option under "employer" on forms
 - Option under Clock, on an iPhone
 - Option when beating isn't an option
 - Option when changing jobs
 - Option when one wants to move out of the house?
 - Option when outputting
 - Option when setting up a new tech device
 - Option while waiting for Mr Right?
 - Option with a trash can icon
 - Option with a virgule
 - Option with no real alternative
 - Option word
 - Option words
 - Option writers
 - Option
 - Option: Abbr
 - Optional
 - Optional ACT components
 - Optional ballot space
 - Optional component
 - Optional components
 - Optional course
 - Optional course
 - Optional courses
 - Optional equipment
 - Optional feature
 - Optional feature of eyeglasses
 - Optional hwy route
 - Optional kick for Bahr
 - Optional learning
 - Optional Medicare section
 - Optional part of a suit
 - Optional part of the SAT
 - Optional phrase
 - Optional poker bet
 - Optional section on some applications
 - Optional's meaning, in car pricing
 - Optional
 - Optionally
 - Options
 - Options above "none of the above"
 - Options at a gym
 - Options between 45s and albums: Abbr
 - Options during computer woes
 - Options for "bee's knees" cocktails
 - Options for building torpedoes
 - Options for outdoor wedding receptions
 - Options for reduced fare
 - Options for salting away, briefly