City comparison
St. Louis, MO is about 1,400 miles (2,300 km) from Yuma, AZ in a straight line. By road, the drive is roughly 1,800 miles, or about 30 hours (about 3 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 St. Louis, MO to Yuma, AZ takes about 2 h 51 min, covering roughly 1,400 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.
St. Louis, MO is on Central Time and Yuma, AZ is on Mountain Time — a 1-hour difference. When it's noon in St. Louis, it's 11 a.m. in Yuma, which puts St. Louis 1 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.
St. Louis has a population of 298,018, vs 96,314 in Yuma — about 3.1× larger by population. By land area, Yuma covers about 120 sq mi vs 62 sq mi for St. Louis.
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 | St. Louis | Yuma | Difference |
|---|---|---|---|
| Median rent | $938/mo | $1,028/mo | 9.6% higher in Yuma |
| Median home value | $174,100 | $186,500 | 7.1% higher in Yuma |
| Median household income | $52,941 | $59,312 | 12.0% higher in Yuma |
| Groceries index | 99.7 | 96.9 | 2.8% higher in St. Louis |
| Utilities index | 71.9 | 91.2 | 26.9% higher in Yuma |
| Transportation index | 98.5 | 100.3 | 1.8% higher in Yuma |
| Healthcare index | 98.7 | 100.2 | 1.6% higher in Yuma |
How much you'd need to earn in the other city to keep the same standard of living.
If you earn $100,000 in St. Louis, you'd need $100,080 in Yuma to maintain your standard of living.
Climate, safety, and demographics side by side.
St. Louis and Yuma have nearly identical overall cost-of-living indices. Housing costs are roughly 6% higher in St. Louis than in Yuma. If you earn $80,000 in St. Louis, you'd need about $80,064 in Yuma to keep the same standard of living.