QUICK HITS.

Take a break: Orlando, Las Vegas and Phoenix are the most popular domestic destinations for spring getaways, according to the American Society of Travel Agents. The rest of the top 10 spring break spots, are: (4) Los Angeles, (5, a tie) San Francisco and New Orleans, (7) San Diego, (8) Denver, (9) Miami and (10) Fort Lauderdale.

It's a gas: You can expect to pay more for gas on your Easter auto trip. Self-serve regular unleaded is most expensive in the West, averaging $1.25 per gallon, up 2.4 cents from last month.

Florida calls: If you spot a TV commercial for Myrtle Beach, hold your phone receiver up to the TV and the touch-tone signals heard on the commercial will automatically dial an 800 number for information on the Florida destination.

The ad, which cost more than $250,000 to engineer and produce, is airing on CNN, TNN and CMT. In its first full day of air time, the commercial generated 1,200 requests for information, say Myrtle Beach officials.

Old Ironsides: The USS Constitution, the oldest commissioned warship afloat in the world, will sail on 10 historic cruises in Boston Harbor as a prelude to the Bicentennial Celebration of the Constitution planned for July 1997-July 1998. Each sailing will have 400 passengers, mostly students and teachers. To receive a lottery form to participate, call [phone].

File that 1040: To commemorate tax day, when Form 1040 must be filed with the IRS, the Waldorf Towers hotel in New York offers a $1,040, two-night weekend package to those who book the pricey getaway by April 15 for stays anytime this year. Information: [phone].

Taxing vacation: If your 1995 federal income tax return shows a sizable donation to the National Endowment for the Arts, you could get a free vacation from Club Med. A $25,000 donation earns a free week at Columbus Isle in San Salvador, Bahamas; a $50,000 donation earns two free weeks. Send a copy of your tax return with proof of donation to: Club Med, 924 Broadway, 4th Floor, New York, N.Y. 10010. Deadline is May 1.