List of longest ring roads

Here are the list some of the longest ring roads in the world.

Rank	Name	Distance (miles)	Distance (kilometers)	Year completed	Location	Country	Ref.
1	Route 1	828	1,332	1974		Iceland
2	G95 Capital Area Loop Expressway	584	940	2016	Beijing Capital Area	China
3	G98 Hainan Island Ring Expressway	381	613	2012	Hainan	China
4	G91 Central Liaoning Ring Expressway	249	400	2018	Shenyang	China
5	Peripheral Expressway	168	270	2018	National Capital Region	India
6	Bejing 6th Ring Road	140	220	2010	Beijing	China
7	G1503 Shanghai Ring Expressway	130	209	2008	Shanghai	China
8	Bundesautobahn 10	122	196	1936-1979	Berlin/Brandenburg Metropolitan Region	Germany
9/10	M25 motorway	117	188	1975-1986	Greater London,England	United Kingdom
9/10	G4201 Wuhan Ring Expressway	117	188	2012	Wuhan	China
11	Rodoanel Mário Covas	110	177	2002-2019	Greater São Paulo	Brazil
12	Nehru Outer Ring Road	98	158	2018	Hyderabad	India
13	Texas State Highway Loop 1604	94	151	1977	San Antonio, Texas	United States
14	Texas State Highway Beltway 8	88	141	1983	Greater Houston,Texas	United States
15	I-275 Cincinnati By-Pass	83.71	134.72	1962	Ohio-Kentucky-Indiana	United States

Under construction

• Central Yunnan Urban Economic Ring Expressway, over 300 kilometres (186 mi) completed.
• G3021 Lintong–Xingping Expressway, also known as the Second Ring Expressway of Xi'an, planned length of 360 kilometres (224 mi).
• G93 Chengyu Ring Expressway, planned length of 1,057 kilometres (657 mi).
• Chengdu Economic Zone Ring Expressway, planned length of 438 kilometres (272 mi).