Singapore, Honolulu and Houston

https://en.wikipedia.org/wiki/Singapore area 744.3 km2 (287.4 sq mi)

https://en.wikipedia.org/wiki/Honolulu_County,_Hawaii land area 601 sq mi (1,560 km2) 

https://en.wikipedia.org/wiki/Houston land area 640.44 sq mi (1,658.73 km2)