City comparison
Chesterfield, MO is about 300 miles (475 km) from Janesville, WI in a straight line. By road, the drive is roughly 375 miles, or about 6 h 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 Chesterfield, MO to Janesville, WI takes about 35 min, covering roughly 300 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.
Janesville has a population of 65,669, vs 49,645 in Chesterfield — about 1.3× larger by population. By land area, Janesville covers about 35 sq mi vs 32 sq mi for Chesterfield.
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 | Chesterfield | Janesville | Difference |
|---|---|---|---|
| Median rent | $1,405/mo | $993/mo | 41.5% higher in Chesterfield |
| Median home value | $437,000 | $186,600 | 134.2% higher in Chesterfield |
| Median household income | $137,052 | $68,610 | 99.8% higher in Chesterfield |
| Groceries index | 99.7 | 94.0 | 6.0% higher in Chesterfield |
| Utilities index | 71.9 | 90.5 | 25.9% higher in Janesville |
| Transportation index | 98.5 | 99.2 | 0.7% higher in Janesville |
| Healthcare index | 98.7 | 99.4 | 0.7% higher in Janesville |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in Chesterfield, you'd need $99,910 in Janesville to maintain your standard of living.
Climate, safety, and demographics side by side.
Chesterfield and Janesville have nearly identical overall cost-of-living indices. Housing costs are roughly 3% higher in Chesterfield than in Janesville. If you earn $80,000 in Chesterfield, you'd need about $79,928 in Janesville to keep the same standard of living.