The length of Seikan tunnel (the 2nd longest tunnel in the world) is ...
The length of 1 Seikan tunnel (the 2nd longest tunnel in the world) is 53.85 kilometers. That is ...
-
2 times bigger than Mt. Olympus on Mars (the highest mountain in the solar system) (1.99 to be exact).
-
5 times bigger than depth of Mariana trench (4.94 to be exact).
-
6 times bigger than Mt. Everest (6.09 to be exact).
-
18 times bigger than depth of deepest dive of a sperm whale .
-
28 times bigger than Yamanote Line between Tokyo-Shimbashi .
-
55 times bigger than Angel fall (the highest waterfall in the world) .
-
83 times bigger than Warsaw radio tower .
-
95 times bigger than lowest frequency wavelength of AM radio .
-
729 times bigger than Boeing 777-300 .
-
8,770 times bigger than world record of pole vault .
-
96,161 times bigger than length of a crow .
-
311,272 times bigger than length of hercules beetle .
-
2,692,500 times bigger than diameter of one-yen coin .
-
53,850,000 times bigger than length of lice .
-
673,125,000 times bigger than diameter of hair .
-
8,975,000,000 times bigger than diameter of B. anthracis spore .
-
76,928,571,429 times bigger than red light wavelength .
-
359,000,000,000 times bigger than diameter SARS virus .
-
2 times smaller than distance from Osaka to Tokushima (2.08 to be exact).
-
3 times smaller than Danyang–Kunshan Grand Bridge (the longest bridge in the world) (3.06 to be exact).
-
5 times smaller than distance from Tokyo to Gifu (5.04 to be exact).
-
6 times smaller than distance from osaka to Nagano (6.03 to be exact).
-
7 times smaller than distance from Osaka to Yamaguchi (6.99 to be exact).
-
8 times smaller than distance from Osaka to Chiba (8.01 to be exact).
-
9 times smaller than distance from Osaka to Ibaraki (8.97 to be exact).
-
19 times smaller than diameter of dwarf planet Ceres .
-
29 times smaller than distance from Tokyo to Okinawa .
-
74 times smaller than distance from New York to Los Angeles .
-
95 times smaller than distance from Cape Town to Nairobi .
-
505 times smaller than altitude of GPS satellite .
-
2,352 times smaller than equator .
-
79,786 times smaller than diameter of the Sun .
-
846,861 times smaller than distance that light travels in 1 minute .
-
1,694,003 times smaller than distance to Mars .
-
17,666,760 times smaller than distance to the Sun .
-
349,124,965 times smaller than diameter of Pluto .
-
8,853,295,519 times smaller than distance that light travels in a day .
-
967,547,597,467 times smaller than diameter of Pleiades .
