The answer will depend on how fit you are and far you trek each day.
The Oregon Trail
the Oregon trail was 2000 miles long.
The Chishole trail is about 800 miles long
The Oregon Trail totaled 2,000 miles and took six to seven months to travel its complete length. Oregon Trail can be explored by land or even by the sea.
The trail from Nauvoo, Illinios to Salt Lake City, Utah was approximately 1300 miles. The Oregon Trail was around 2100 miles.
The California trail is about 600 miles long.
60 miles
The California Trail was about 2,000 miles long in 1850. An estimated 250,000 people used the California Trail to get to California.
the iditarod trail is actually about 1049 miles this is because Alaska is over 1000 miles and it is the 49th state.The Iditarod Trail is 1,600 kilometers, or 994.194 miles in length. It is located in Alaska.
1500 miles for the Cherokee Trail of Tears. However, that was just the most famous removal. There were many trails of tears.
Pacific Ocean - 65.3 million square miles.
about 5550 miles