Question: What Pennsylvania city is connected to Gloucester City by a river measuring 388 miles?

Context articles: Walt Whitman Bridge
Delaware River
Gloucester City Council election, 2014
Gloucester City Water Works Engine House
Gloucester City Public Schools
Coast Guard Base Gloucester
Gloucester City Junior-Senior High School
Gloucester City Council election, 2012
Gloucester City Winget Cricket Club
Gloucester City Council election, 2016

The Walt Whitman Bridge is a green-colored single-level suspension bridge spanning the Delaware River from Philadelphia to Gloucester City, in Camden County, New Jersey, United States.
 Named after the poet Walt Whitman, who resided in nearby Camden toward the end of his life, the Walt Whitman Bridge is one of the larger bridges on the east coast of the United States.
 The bridge is owned and operated by the Delaware River Port Authority.
The Delaware River is a major river on the Atlantic coast of the United States.
 It drains an area of 14119 sqmi in five U.S. states—New York, New Jersey, Pennsylvania, Maryland and Delaware.
 Rising in two branches in New York state's Catskill Mountains, the river flows 419 mi into Delaware Bay where its waters enter the Atlantic Ocean near Cape May in New Jersey and Cape Henlopen in Delaware.
 Not including Delaware Bay, the river's length including its two branches is 388 mi .
The 2014 Gloucester City Council election took place on 22 May 2014 to elect members of Gloucester City Council in England.
 This was on the same day as other local elections.
Gloucester City Water Works Engine House, is located in Gloucester City, Camden County, New Jersey, United States.
 The building was built in 1883 and was added to the National Register of Historic Places on March 30, 1998.
Gloucester City Public Schools is a comprehensive community public school district that serves students in pre-kindergarten through twelfth grade from Gloucester City, in Camden County, New Jersey, United States.
 The district is one of 31 former Abbott districts statewide, which are now referred to as "SDA Districts" based on the requirement for the state to cover all costs for school building and renovation projects in these districts under the supervision of the New Jersey Schools Development Authority.
The correct name for the now decommissioned base was (U.S. Coast Guard COTP Gloucester City, NJ as well as U.S. Coast Guard Base Gloucester City, NJ).
 (COTP standing for "Captain of the Port)
Gloucester City Junior-Senior High School is a comprehensive six-year community public high school that is based in Gloucester City, New Jersey, United States, serving students from seventh through twelfth grade as the lone secondary school of the Gloucester City Public Schools, an Abbott district.
The 2012 Gloucester City Council local elections took place on 3 May 2012 to elect members of Gloucester City Council in Gloucester, England.
 This was on the same day as other United Kingdom local elections were taking place across the country.
 At the previous Gloucester local elections in 2011, the first after the 2010 general election, of which the result was a hung parliament and subsequently, a Conservative-Liberal Democrat coalition government was formed, both parties shared similar success, winning 9 out of the total 11 seats available (the Conservatives with 6 seats, the Liberal Democrats with 3).
Gloucester City Winget Cricket Club is an amateur cricket team based in Gloucester, England.
 The club was formed in 2005 after the merger of Gloucester's two premier cricket clubs at the time, Gloucester City Cricket Club and Winget Cricket Club.
 The club currently plays in the West of England Premier League and home matches are played at the Spa Ground, Gloucester.
The 2016 Gloucester City Council election took place on 5 May 2016 to elect members of Gloucester City Council in England.
 All seats are up for election at the same time due to boundary changes.
 This was on the same day as other local elections.