Distance from Nampa, Idaho to the Utah State Line: ~290 Miles via I-84

Direct Route

From Nampa (Treasure Valley) east on Interstate 84 to the Utah border at Border Junction (near Snowville):

• Distance: 290 miles (467 km)
• Drive Time: ~4 hours 15 minutes (no traffic, good weather)
• Key Waypoints: Mountain Home (45 mi), Bliss (90 mi), Twin Falls (115 mi), Burley (160 mi), Declo (185 mi), Malta (220 mi), Utah line (290 mi).

Alternative Routes

• US-30 / Old Oregon Trail: Scenic, slower, parallels I-84.
• I-86 to I-15 (via Pocatello): Longer (~330 mi) but reaches Salt Lake corridor directly.

Practical Notes

• Speed limit 80 mph on rural I-84 (ID) / 70 mph (UT).
• Winter: check 511.idaho.gov / udottraffic.utah.gov for closures (blowing snow, ice).
• Fuel: fill in Twin Falls or Burley; stretches with limited services.