Looking out over Tunnel View in Yosemite National Park. Credit: David Madison/Getty Images National park rangers say visitors often underestimate park distances and should plan realistic itineraries with backup options.Respecting wildlife by keeping a safe distance and understanding that parks are true wilderness areas is essential for safety.Rangers encourage proactive behavior like reporting wildlife sightings and exploring lesser-known areas. Millions of travelers flock to national parks every year (331.9 million in 2024 to be exact). Needless to say, national park rangers have a few thoughts on how visitors can improve their experience for both themselves and the park. From doing research ahead of time to respecting the wildlife, Travel + Leisure chatted with national park representatives to get tips on how to make the most of a national park trip—and what rangers wish visitors did differently. Don't Underestimate Distances A car navigates a dirt road in Death Valley National Park.…