City comparison
Boston, MA is about 2,500 miles (4,000 km) from Sammamish, WA in a straight line. By road, the drive is roughly 3,100 miles, or about 52 hours (about 5 days at 10 h/day) behind the wheel at highway speeds.
Driving distance is a rough estimate (great-circle × 1.25); driving time assumes a 60 mph blended average. Real trips run 10–20% longer with stops.
A direct flight from Boston, MA to Sammamish, WA takes about 4 h 57 min, covering roughly 2,500 miles in a straight line. Connecting itineraries with a layover typically add 1–3 hours.
Block-to-block estimate at ~500 mph cruise, including taxi, climb, and descent — what an airline would publish, not pure airborne time.
Boston, MA is on Eastern Time and Sammamish, WA is on Pacific Time — a 3-hour difference. When it's noon in Boston, it's 9 a.m. in Sammamish, which puts Boston 3 hours ahead.
Standard-time offsets. Daylight saving applies in both cities for most of the year (exceptions: Hawaii and most of Arizona), and the gap between the two stays the same.
Boston has a population of 665,945, vs 66,586 in Sammamish — about 10.0× larger by population. By land area, Boston covers about 48 sq mi vs 20 sq mi for Sammamish.
Population from US Census ACS. Land area from the Census Gazetteer (city proper, excluding inland water).
Cost indices by category, with the US city average (100) marked.
Index: 100 = US city average. Lower is more affordable.
Side-by-side costs, salaries, and sub-category indices.
| Metric | Boston | Sammamish | Difference |
|---|---|---|---|
| Median rent | $1,981/mo | $2,627/mo | 32.6% higher in Sammamish |
| Median home value | $684,900 | $1,139,100 | 66.3% higher in Sammamish |
| Median household income | $89,212 | $215,047 | 141.1% higher in Sammamish |
| Groceries index | 100.1 | 104.0 | 3.9% higher in Sammamish |
| Utilities index | 147.4 | 95.7 | 53.9% higher in Boston |
| Transportation index | 102.2 | 106.6 | 4.3% higher in Sammamish |
| Healthcare index | 106.4 | 106.6 | ≈ equal (Sammamish slightly higher) |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Boston, you'd need $100,040 in Sammamish to maintain your standard of living.
Climate, safety, and demographics side by side.
Boston and Sammamish have nearly identical overall cost-of-living indices. Housing costs are roughly 5% higher in Sammamish than in Boston. If you earn $80,000 in Boston, you'd need about $80,032 in Sammamish to keep the same standard of living.