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Distance from Sprague River to Summer Lake
Route Information
The driving distance from Sprague River, Oregon to Summer Lake, Oregon is 143 mi (230.1 km)
The straight-line (air) distance is 51.4 mi (82.7 km)
The estimated flight time is 0 hr 6 min
The estimated travel time by road is 2 hours 26 minutes
Traveling highway, substantial in a northeast direction. Average speeds around 60 mph.
Location Details
Origin:
Destination:
Journey Summary
Traveling from Sprague River, Oregon to Summer Lake, Oregon covers 143 mi (230.1 km) in a northeast direction. This highway, substantial route typically takes 2 hours 26 minutes under normal conditions.
Drivers have 2 route options between these locations (118.8-143.0 miles / 191-230 km). The primary route shown here saves 26 minutes compared to alternatives.
The route features scenic views along the way. with average speeds around 60 mph (97 km/h).
Available Routes
How is the distance calculated?
Driving distances are based on actual road data. We use advanced routing algorithms that consider traffic, tolls, highways, and local streets. For air distances (as the crow flies), we use the Vincenty formula. It's a precise method that accounts for the Earth's shape and provides accuracy up to 0.5 mm.
When multiple route options exist, we display both the shortest and fastest paths. Travel times are estimated based on typical speeds for each road type, though actual times may vary with traffic and weather conditions. All distances are shown in both miles and kilometers for convenience.