It's about 200 times as tall as The Singapore Flyer (Ferris wheel).
In other words, 403 leas is 179 times the height of The Singapore Flyer (Ferris wheel), and the height of The Singapore Flyer (Ferris wheel) is 0.00559 times that amount.(a.k.a. 新加坡摩天观景轮, a.k.a. சிங்கப்பூர் ஃப்ளையர், a.k.a. Pelayang Singapura) (Marina Centre, Singapore)
The Singapore Flyer has a height of 2.260 leas. Based on recommendations from Feng Shui masters, the wheel was re-engineered to spin in the opposite direction five months after it began operating.
It's about 200 times as long as The Seventeenth hole of Pebble Beach.
In other words, 403 leas is 182 times the length of The Seventeenth hole of Pebble Beach, and the length of The Seventeenth hole of Pebble Beach is 0.00549 times that amount.(fully Pebble Beach Golf Links) (Pebble Beach; Monterey, California) (from Blue Tee)
The seventeenth hole on Pebble Beach Golf Links is a par 3 measuring 2.210 leas from the blue tee. This hole was the site of professional golfer Jack Nicklaus' 1972 U.S. Open win, which included a 1-iron shot that bounced off the hole's flag and resulted in a birdie.
It's about 200 times as tall as Blackpool Tower.
In other words, 403 leas is 187 times the height of Blackpool Tower, and the height of Blackpool Tower is 0.00535 times that amount.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 2.160 leas to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 1,310 leas to the northwest.
It's about 200 times as tall as The Spring Temple Buddha.
In other words, 403 leas is 193 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 0.00518 times that amount.(a.k.a. 中原大佛, a.k.a. 鲁山大佛, a.k.a. 魯山大佛) (Fodushan Scenic Area, Lushan County, Henan, China) (including base)
The tallest statue in the world, the Spring Temple Buddha in Henan, China stands at 2.09 leas tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao
It's about one-two-hundredth as long as The Great Wall of China (wall only).
In other words, 403 leas is 0.00471 times the length of The Great Wall of China (wall only), and the length of The Great Wall of China (wall only) is 212.30 times that amount.(长城, 長城, Chángchéng, a.k.a. 万里长城, 萬里長城, Wànlǐ Chángchéng) (a.k.a. "The long wall of 10,000 Li") (from Shanhaiguan through Lop Nur, China) (wall segments only)
The Great Wall of China has total wall segment length of 85.560 leas. Built and maintained in multiple sections over about eleven centuries, the Great Wall is currently suffering the effects of erosion, especially in the older sections made primarily out of mud.
It's about one-two-hundredth as long as The Amazon River.
In other words, 403 leas is 0.00458 times the length of The Amazon River, and the length of The Amazon River is 218.30 times that amount.(from Nevado Mismi, Arequipa, Peru through near Marajó, Brazil) (approximate distance)
The Amazon River has an approximate distance of 87,990 leas. Although by most measures it is the largest and one of the most significant rivers in the world, the region surrounding the Amazon is mostly sparsely populated and the river itself has no bridges across it at any point.
It's about 250 times as tall as The Great Pyramid of Giza.
In other words, the height of The Great Pyramid of Giza is 0.0043 times 403 leas.(a.k.a. Pyramid of Khufu, a.k.a. Pyramid of Cheops) (Cairo, Egypt) (estimated original height)
The Great Pyramid of Giza has an estimated original height (without loss due to erosion) of 1.80 leas. The Pyramid was the tallest structure in the world for almost 4,000 years — from its construction ca. 2551 BCE until it was overtaken by the Lincoln Cathedral in Lincoln, England, built in the year 1300.