Distances

Miles and Kilometres

		Miles		Kilometres
Straits of Gibraltar		9		14.5
Simplon Tunnel		12.3		19.8
Length of Loch Lomond		21		33
Dover to Calais		22		35
Channel Tunnel (opened 1994)		31.1		50.1
Seikan Tunnel (opened 1988)		33.5		53.8
Gotthard Base Tunnel (opened 2016)		34.7		55.8
Panama Canal (shore to shore)		40		64
Panama Canal (including sea channels)		51		82
Berlin Wall (the concrete barrier)		66		106
Hadrian's Wall		73		117
Greatest distance from the sea in the UK		75		120
Berlin Wall (in total)		96		154
Suez Canal		120		193
Pheidippedes ran (from Marathon to Sparta)		150		241
River Thames		215		346
River Severn		220		354
Pennine Way		250		402
Land's End to John o' Groats, as the crow flies		603		970
Land's End to John o' Groats (by road?)		874		1,407
Great Wall of China (from end to end as the crow flies, approximately)		1,400		2,250
Great Barrier Reef		1,600		2,574
River Nile		4,135		6,654
Andes		4,300		6,920
Trans–Siberian Railway		5,772		9,289
Diameter of the Earth at the Equator		7,930		12,762
Circumference of the Earth at the Equator		24,901		40,074
Earth to Moon: minimum		225,623		363,104
Earth to Moon: average		238,855		384,400
Earth to Moon: maximum		252,088		405,696
Earth to Sun: minimum		91,400,000		147,100,000
Earth to Sun: average		92,960,000		149,600,000
Earth to Sun: maximum		94,510,000		152,100,000
Light–year		5.879 x 1012		9.461 x 1012

Light Years

In the following table, each answer is an approximate distance in light years.

From the Sun to Proxima Centauri (the nearest other star)		4.2465
From the Sun to the core of the Milky Way galaxy		24,000 to 28,000
From the Milky Way to the Andromeda Galaxy (the nearest other galaxy)		2,500,000

© Haydn Thompson 2017–24