City comparison
Fairfield, CA is about 10 miles (10 km) from Vacaville, CA in a straight line. By road, the drive is roughly 10 miles, or about 9 min 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 Fairfield, CA to Vacaville, CA takes about 1 min, covering roughly 10 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.
Fairfield has a population of 119,420, vs 101,631 in Vacaville — about 1.2× larger by population. By land area, Fairfield covers about 42 sq mi vs 30 sq mi for Vacaville.
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 | Fairfield | Vacaville | Difference |
|---|---|---|---|
| Median rent | $2,047/mo | $2,141/mo | 4.6% higher in Vacaville |
| Median home value | $546,200 | $560,400 | 2.6% higher in Vacaville |
| Median household income | $98,857 | $106,764 | 8.0% higher in Vacaville |
| Groceries index | 105.1 | 105.1 | ≈ equal |
| Utilities index | 152.6 | 152.6 | ≈ equal |
| Transportation index | 100.7 | 100.7 | ≈ equal |
| Healthcare index | 100.6 | 100.6 | ≈ equal |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Fairfield, you'd need $100,217 in Vacaville to maintain your standard of living.
Climate, safety, and demographics side by side.
Fairfield and Vacaville have nearly identical overall cost-of-living indices. If you earn $80,000 in Fairfield, you'd need about $80,173 in Vacaville to keep the same standard of living.