Route march is a military term used to describe a long walk or march taken by soldiers. However, there are several synonyms for this term that can be used in different contexts. Some of these synonyms include forced march, trek, hike, trudge, long walk, and endurance march. Each of these words carries its own connotation and can be used to describe a different type of journey. For example, a forced march implies a sense of urgency or pressure to arrive at a destination quickly. On the other hand, a long walk can be more relaxed and enjoyable, while an endurance march suggests a grueling test of physical stamina. Ultimately, choosing the right synonym for a route march will depend on the context and purpose of the journey.