Distance from Iona, Idaho to Grand Prismatic Spring, Wyoming
The driving distance from Iona, Idaho to Grand Prismatic Spring, Wyoming is 129 mi (207.6 km)
The straight-line (air) distance is approximately 54.6 mi (87.9 km)
Estimated travel time by road is 2 hours 38 minutes
This route includes Toll roads along the way.
Route Directions
Get on US-20 E in Jefferson County from N 45th E
Drive to US-191 S/US-20 E/US-287 S/US-89 S in Yellowstone National Park
Journey Details
Traveling from Iona, Idaho to Grand Prismatic Spring, Wyoming covers 129 miles (208 km) in a northeast direction. This mixed highways and local roads, substantial route typically takes 2 hours 38 minutes under normal conditions.
The route features scenic views, toll sections. During evening weekday travel, expect evening rush hour with average speeds around 50 mph (80 km/h) .
Journey Waypoints
Iona
Starting Point
Grand Prismatic Spring
Destination