With 4 hours, yes, you can see some of the highlights
Here are some options for a 4-hour layover in Copenhagen:
* Take a boat tour of the canals to get a glimpse of the city from a different perspective, the canals are one of the most iconic images of Copenhagen
* Visit Nyhavn, a colorful waterfront district lined with shops, restaurants and bars. Enjoy the beautiful scenery and lively atmosphere.
* Walk or rent bikes through the city for a closer look at some of the historical sites along the water including the Royal Danish Playhouse, Christiansborg Palace and the National Museum of Denmark.
* Stroll through the Tivoli Garden, one of the oldest and most popular amusement parks in the world.
* Grab a bite at a traditional Danish restaurant to sample some local cuisine like a smørrebrød (open-faced sandwich) or a piece of æbleskiver (fried apple balls)
* Do some quick shopping for souvenirs at Illums Bolighus or Magasin du Nord, two popular department stores.
* Visit Rosenborg Castle, a 17th-century palace that houses the Danish Crown Jewels.
* Take a taxi or Uber to see The Little Mermaid statue, one of the most famous landmarks in Copenhagen. The statue of Ariel is a must-see for any fan of the Disney classic and one of most popular tourist attractions in Copenhagen.
No matter how you choose to spend your 4 hours in Copenhagen, you can get a taste of this charming city and its many offerings.