There are many such cities in the world. Minneapolis and St. Paul, for example.
San Francisco and Marin County
The Golden Gate Bridge connects the cities of Oakland and San Francisco.
Russia and the United States were connected by the Bering Land Bridge.
North America and South America are connected by a land bridge known as the Isthmus of Panama.
Budapest was first joined by a bridge in 1849 with the completion of the Chain Bridge (Széchenyi Lánchíd). This iconic suspension bridge connected Buda and Pest, the two cities that later merged to form Budapest. The Chain Bridge symbolized the modernization of Hungary and remains a significant landmark in the city today.
North America and Asia were connected by a land bridge known as Beringia during the last ice age.
Luwan and Pudong.
A strip of land connected by two continents is called an isthmus.
North America and Asia were connected by a land bridge known as Beringia during the last Ice Age. This land bridge allowed early humans to migrate between the two continents.
Manghalore and Mumbai.
No two states are connected by the Verrazano-Narrows Bridge. The Verrazano Bridge connects Staten Island and Brooklyn. Staten Island and Brooklyn are two of New York City's five boroughs, and, along with the other three boroughs, are in New York State.
The Mackinac Bridge connects the cities of Mackinaw City on the northern tip of Michigan's Lower Peninsula and St. Ignace on the southern tip of Michigan's Upper Peninsula. This iconic suspension bridge spans the Straits of Mackinac, linking the two peninsulas.