Oregon Route 402 (OR 402) is an Oregon state highway running from Kimberly to Long Creek. OR 402 is known as the Kimberly-Long Creek Highway No. 402 (see Oregon highways and routes). It is 34.88 miles (56.13 km) long and runs east–west, entirely within Grant County.

OR 402 was established in 2002 as part of Oregon's project to assign route numbers to highways that previously were not assigned.

OR 402 begins at an intersection with OR 19 at Kimberly and heads east through Monument and Hamilton to Long Creek, where it ends at an intersection with US 395.

OR 402 was assigned to the Kimberly-Long Creek Highway in 2002.

The entire route is in Grant County.

Location	mi	km	Destinations	Notes
Kimberly	0.00	0.00	OR 19
Long Creek	34.88	56.13	US 395 – John Day, Pendleton
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

• Oregon Department of Transportation, Descriptions of US and Oregon Routes, https://web.archive.org/web/20051102084300/http://www.oregon.gov/ODOT/HWY/TRAFFIC/TEOS_Publications/PDF/Descriptions_of_US_and_Oregon_Routes.pdf, page 24.
• Oregon Department of Transportation, Kimberly-Long Creek Highway No. 402, ftp://ftp.odot.state.or.us/tdb/trandata/maps/slchart_pdfs_1980_to_2002/Hwy402_2001.pdf