How far is it from Mercer Island, WA to Newcastle, WA?

The distance between Mercer Island, WA and Newcastle, WA is 8 mi by road.

How long does it take to drive from Mercer Island, WA to Newcastle, WA?

The drive from Mercer Island, WA to Newcastle, WA takes approximately 20 min by car.

What is the best route from Mercer Island, WA to Newcastle, WA?

The fastest route from Mercer Island, WA to Newcastle, WA covers 8 mi with a driving time of approximately 20 min.

Which direction is Newcastle, WA from Mercer Island, WA?

Newcastle, WA lies roughly to the south-east of Mercer Island, WA.

Mercer Island, WA Newcastle, WA

Distance: 8 miDuration: 20 min

Driving from Mercer Island, WA to Newcastle, WA takes about 20 min via Coal Creek Parkway Southeast. The distance is 8 mi. The straight-line distance is 5 mi. Driving directions

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Driving directions13 · 8 mi

This 7-mile stretch takes about 16 minutes starting from Forest Avenue Southeast. From there, I-90 and Factoria Boulevard Southeast lead up to a plateau in Newcastle, situated between Seattle and the Cascade foothills.

1 Depart right onto Forest Avenue Southeast 1st 26 yd
2 Turn left onto Merrimount Drive 1 mi
3 Continue right onto Merrimount Drive 1 mi
4 Turn left onto Island Crest Way 1 mi
5 Turn right onto Southeast 40th Street 1 mi
6 Turn left onto Gallagher Hill Road 1 mi
7 Continue straight onto Southeast 36th Street 1 mi
8 Take ramp straight 1 mi

9 Merge slightly left onto East Channel Bridge 2 mi
10 Take exit slightly right 1 mi
11 Turn right onto Factoria Boulevard Southeast 2 mi
12 At end of road, turn left onto Coal Creek Parkway Southeast 3 mi
13 Arrive right onto Coal Creek Parkway Southeast

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The return trip from Newcastle, WA to Mercer Island, WA covers roughly the same distance, 8 mi.

Driving directions from Mercer Island, WA to Newcastle, WA
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No notable attractions were found along this route.

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Distance and drive time are computed from OpenStreetMap road data with the OSRM routing engine. Updated 5 October 2026.

Overview

Questions and answers

How far is it from Mercer Island, WA to Newcastle, WA?: The distance between Mercer Island, WA and Newcastle, WA is 8 mi by road.
How long does it take to drive from Mercer Island, WA to Newcastle, WA?: The drive from Mercer Island, WA to Newcastle, WA takes approximately 20 min by car.
What is the best route from Mercer Island, WA to Newcastle, WA?: The fastest route from Mercer Island, WA to Newcastle, WA covers 8 mi with a driving time of approximately 20 min.
Which direction is Newcastle, WA from Mercer Island, WA?: Newcastle, WA lies roughly to the south-east of Mercer Island, WA.

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