Question: Which ocean connects to the Delaware River, a river which has US route 13 running parallel to it before it reaches Claymont?

Context paragraphs:
Claymont Heights, Delaware: Claymont Heights is an unincorporated community in New Castle County, Delaware, United States.  Claymont Heights is located along Harvey Road northwest of U.S. Route 13 Business in the southwestern part of Claymont.

Interstate 495 (Delaware): Interstate 495 (I-495) is a 11.47 mi long Interstate highway in the U.S. state of Delaware.  The highway serves as a six-lane bypass of I-95 around the city of Wilmington.  I-495 begins at an interchange with I-95 and I-295 near Newport to the southwest of Wilmington.  From here, the road heads east to the Port of Wilmington, where it turns northeast and crosses the Christina River as it heads to the east of downtown Wilmington.  Upon reaching Edgemoor, I-495 runs between the Delaware River to the east and U.S. Route 13 (US 13) to the west, continuing to Claymont.  In Claymont, I-495 turns north and merges into northbound I-95 at an interchange with Delaware Route 92 (DE 92) just south of the Pennsylvania state line.

U.S. Route 13 in Delaware: U.S. Route 13 (US 13) is a U.S. highway running from Fayetteville, North Carolina north to Morrisville, Pennsylvania.  In the U.S. state of Delaware, the route runs for 103.33 mi .  It traverses the entire length of the state from the Maryland state line in Delmar, Sussex County to the Pennsylvania state line in Claymont, New Castle County.  US 13 connects many important cities and towns in Delaware, including Seaford, Dover, and Wilmington.  The entire length of US 13 in Delaware is a multilane divided highway with the exceptions of the segment through Wilmington and parts of Philadelphia Pike in Claymont.  Between the Maryland border and Dover, US 13 serves as one of the main north-south routes across the Delmarva Peninsula.  From Dover north to the Wilmington area, the route is followed by the limited-access Delaware Route 1 (DE 1) toll road, which crosses the route several times and has multiple interchanges with it.  US 13 bypasses downtown Wilmington to the east before it heads northeast of the city parallel to Interstate 495 (I-495) and the Delaware River to Claymont.  US 13 is the longest numbered highway in the state of Delaware.

New Jersey Route 29: Route 29 is a state highway in the U.S. state of New Jersey.  It runs 34.76 mi from an interchange with Interstate 295 (I-295) in Hamilton Township in Mercer County, where it continues as I-195, to Route 12 (Bridge Street / Race Street) in Frenchtown, Hunterdon County.  Between the southern terminus and I-95, the route is a mix of freeway and four-lane divided highway that runs along the Delaware River through Trenton.  This section includes a truck-restricted tunnel that was built along the river near historic houses and Riverview Cemetery.  North of I-95, Route 29 turns into a scenic and mostly two-lane highway.  North of the South Trenton Tunnel, it is designated the Delaware River Scenic Byway, a New Jersey Scenic Byway and National Scenic Byway, that follows the Delaware River in mostly rural sections of Mercer County and Hunterdon County.  The obsolete Delaware & Raritan Canal usually stands between the river and the highway.  Most sections of this portion of Route 29 are completely shaded due to the tree canopy.  Route 29 also has a spur, Route 129, which connects Route 29 to U.S. Route 1 (US 1) in Trenton.

U.S. Route 13 Business (Wilmington, Delaware): U.S. Route 13 Business (US 13 Bus.)  is an 8.19 mi business route of US 13 that runs through the heart of Wilmington in New Castle County, Delaware, where US 13 bypasses downtown Wilmington to the east, running near Interstate 495 (I-495) and the Delaware River.  US 13 Bus.  begins at US 13 at the southern border of Wilmington and heads north toward the downtown area, where it splits into a one-way pair.  Past downtown, the business route heads through the northeastern part of the city on North Market Street before continuing through suburban Brandywine Hundred on Philadelphia Pike.  US 13 Bus.  reaches its northern terminus at US 13 in Claymont.  US 13 Bus.  is a four-lane road for much of its length.

Pennsylvania Route 291: Pennsylvania Route 291 (PA 291) is an east–west route in Pennsylvania that runs from U.S. Route 13 (US 13) in Trainer, Delaware County east to Interstate 76 (I-76) in South Philadelphia near the Walt Whitman Bridge and the South Philadelphia Sports Complex.  Except for a short 1 mi section between US 13 and the Chester/Trainer line, PA 291 is mostly a four-lane highway.  It runs parallel to the Delaware River.  The route passes through industrial areas near the river in Delaware County, serving Chester, Eddystone, Essington, and Lester.  PA 291 enters Philadelphia near the Philadelphia International Airport, at which point it interchanges with I-95.  The route crosses the Schuylkill River on the George C. Platt Memorial Bridge and continues along Penrose Avenue to I-76.

Bellevue, Delaware: Bellevue is an unincorporated community in New Castle County, Delaware, United States.  Bellevue is located along U.S. Route 13 on the west bank of the Delaware River between Edgemoor and Claymont.

Delaware River: 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 .

Claymont Addition, Delaware: Claymont Addition is an unincorporated community in New Castle County, Delaware, United States.  Claymont Addition is located in the southwestern part of Claymont north of the intersection of U.S. Route 13 Business and Harvey Road.

Delaware Route 92: Delaware Route 92 (DE 92) is a 8.83 mi road in northern New Castle County, Delaware that runs a short distance to the south of the Pennsylvania/Delaware state line for most of its length.  The route runs from DE 100 near Montchanin east to U.S. Route 13 (US 13) in Claymont.  The road is a two-lane rural road between the western terminus and US 202, passing through Brandywine Creek State Park.  East of US 202, DE 92 is a four-lane divided highway called Naamans Road that passes through suburban areas to the north of Wilmington, with an interchange at Interstate 95 (I-95) in Claymont.  DE 92 was first built as a state highway east of US 202 during the 1920s and 1930s.  By 1968, the route was designated onto its current alignment.  In the 1990s, DE 92 east of US 202 was widened into a divided highway.

Supporting paragraphs: U.S. Route 13 in Delaware Delaware River
Answer: Atlantic