Question: How many miles east of the Oregon Coast is the city in which Harvest House is located?

Context paragraphs:
Cape Meares National Wildlife Refuge: Cape Meares National Wildlife Refuge is a National Wildlife Refuge of the Oregon Coast.  It is one of six National Wildlife Refuges in the Oregon Coast National Wildlife Refuge Complex.  Located on Cape Meares, the refuge was established in 1938 to protect a remnant of coastal old-growth forest and the surrounding habitat used by breeding seabirds.  The area provides a home for a threatened bird species, the marbled murrelets. Peregrine falcons, once at the brink of extinction, have nested here since 1987.  The refuge, with the exception of the Oregon Coast Trail, was designated a Research Natural Area in 1987.

Harvest House: Harvest House Publishers is a Christian publishing company founded in 1974 in Irvine, California, United States, and is now located in Eugene, Oregon.  It publishes Christian fiction and non-fiction books, coming out with over 160 new books a year.

Eugene, Oregon: Eugene ( ) is a city of the Pacific Northwest located in the U.S. state of Oregon.  It is located at the southern end of the Willamette Valley, near the confluence of the McKenzie and Willamette Rivers, about 50 mi east of the Oregon Coast.

Northern Oregon Coast Range: The Northern Oregon Coast Range is the northern section of the Oregon Coast Range, in the Pacific Coast Ranges physiographic region, located in the northwest portion of the state of Oregon, United States.  This section of the mountain range, part of the Pacific Coast Ranges, contains peaks as high as 3710 ft for Rogers Peak.  Forests in these mountains are considered to be some of the most productive timber land in the world.  The Central Oregon Coast Range is directly south of this section with the Southern Oregon Coast Range beyond the central range.

Oregon Coast National Wildlife Refuge Complex: The Oregon Coast National Wildlife Refuge Complex consists of six National Wildlife Refuges along the Oregon Coast.  It provides wilderness protection to thousands of small islands, rocks, reefs, headlands, marshes, and bays totaling 371 acres (150 ha) spanning 320 miles (515 km) of Oregon's coastline.  The areas are all managed by the United States Fish and Wildlife Service.

Oregon Coast: The Oregon Coast is a region of the U.S. state of Oregon.  It runs generally north–south along the Pacific Ocean, forming the western border of the state; the region is bounded to the east by the Oregon Coast Range.  The Oregon Coast stretches approximately 363 mi from the Columbia River in the north to the California state border in the south.  The Oregon Coast is not a specific geological, environmental, or political entity, but instead includes the entire coastline of Oregon, including the Columbia River Estuary.

Southern Oregon Coast Range: The Southern Oregon Coast Range is the southernmost section of the Oregon Coast Range, in the Pacific Coast Ranges, located in the southwest portion of the state of Oregon, United States, roughly between the Umpqua River and the middle fork of the Coquille River, beyond which are the Klamath Mountains.  To the east is the Umpqua Valley and to the west the Pacific Ocean.  This approximately 55 mi -long mountain range contains mountains as high as 3547 ft for Bone Mountain.  The mountains are known locally in the Roseburg area as the Callahan Mountains, or simply as The Callahans.

Heceta Head Light: Heceta Head Light is a lighthouse on the Oregon Coast 13 miles (21 km) north of Florence, and 13 miles (21 km) south of Yachats in the United States.  It is located at Heceta Head Lighthouse State Scenic Viewpoint, a state park, midway up a 205-foot-tall (62 m) headland.  Built in 1894, the 56-foot (17 m)-tall lighthouse shines a beam visible for 21 nautical miles (39 km; 24 mi), making it the strongest light on the Oregon Coast.

44 Harvest House: 44 Harvest House, also known simply as Harvest House, is a six-storey building in Harare, Zimbabwe, located at 44 Nelson Mandela Avenue and Angwa Street.  It serves as the National Headquarters of the Movement for Democratic Change party in Zimbabwe.

Devils Lake (Lincoln County, Oregon): Devils Lake is a small lake in Lincoln County, Oregon, United States, along the Oregon Coast.  It separates the northern part of Lincoln City from the Central Oregon Coast Range.  It is 1/3 of a mile wide, three miles (5 km) long, and up to 21 ft deep.  The D River flows from the lake westward to the Pacific Ocean.  At 120 ft , it is one of the world's shortest rivers.

Supporting paragraphs: Harvest House Eugene, Oregon
Answer: 50