Memoranda: Tennessee Pass, Colo. 283 mi. from Denver. Altitude of Tennessee Pass near Leadville Colorado 10,433 feet. Summit of Sierra Nevada Mountains where the Rail Road crosses west of Truckee 7,017 feet Distance from Ogden 638 miles. Sacramento California Elevation 30 feet 743 miles from Ogden. Reno, 589 miles from Ogden. Elevation 4,497 ft. Ogden 754 Miles from Denver. Elevation 4,286 ft. Fremont Pass one of the Highest R.R. Passes in the world 11,329 feet Marshall Pass. 10,856 feet. Colorado 242 mi. from Denver. Salt Lake City 716 miles from Denver. elevation 4,228 feet.