Walking in Harlingen can be a pleasant way to explore certain areas, particularly the downtown district, which is known for its pedestrian-friendly layout and vibrant atmosphere. The city features walkable blocks with storefronts and shaded areas, making short-distance travel convenient. However, the overall walkability of Harlingen may vary depending on the neighborhood, as some areas are more car-oriented. Additionally, the subtropical climate, with warm temperatures for much of the year, may make walking less comfortable during hotter months. For those staying in central locations, walking can be a practical option for accessing nearby amenities.

Cycling in Harlingen is a practical option for shorter distances, with some bike-friendly infrastructure available. Trails like the Arroyo-Resaca hike and bike segment connect Harlingen to nearby areas, providing safer and more accessible routes for cyclists. However, the ease of biking may depend on specific destinations, as not all areas have dedicated bike lanes or trails. The flat terrain of the region generally makes cycling manageable, but riders should consider factors like traffic and road conditions when planning their routes.

Public transit options in Harlingen include the Harlingen Express, a demand-response system providing curb-to-curb service within the city. This service is designed to help residents and visitors reach various destinations conveniently. Additionally, bus routes connect key locations, such as the Harlingen Public Library and other community hubs. While public transit is available, the spread-out nature of the area may make it less practical for some trips, depending on the distance and specific destinations. The region’s infrastructure supports basic transit needs, but planning ahead is recommended to ensure timely and efficient travel.