Yes, a day trip from central Paris to Disneyland Paris is not only possible but is one of the most popular excursions for visitors to the French capital in 2026. The two theme parks—Disneyland Park and Walt Disney Studios Park—are located in Marne-la-Vallée, roughly 32 kilometers (20 miles) east of the city center. The most efficient way to travel is via the RER A regional train line, which connects major stations like Châtelet-Les Halles and Gare de Lyon directly to the "Marne-la-Vallée/Chessy" station, located just steps from the park gates. The train journey takes approximately 40 to 45 minutes, and trains run frequently from early morning until after the nightly fireworks. Because the parks are more compact than their Florida counterparts, a well-planned visitor can experience many of the "headliner" attractions and the iconic parade in a single day. However, since 2026 travel remains busy, it is highly recommended to purchase "dated" tickets in advance and utilize the Disney Premier Access system to minimize wait times. While a single day provides a high-energy "highlight" tour, it is ideal for those who want to balance the magic of Disney with the art and culture of Paris.