City comparison
Dallas, TX is about 1,100 miles (1,800 km) from Idaho Falls, ID in a straight line. By road, the drive is roughly 1,400 miles, or about 23 hours (about 2 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 Dallas, TX to Idaho Falls, ID takes about 2 h 13 min, covering roughly 1,100 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.
Dallas, TX is on Central Time and Idaho Falls, ID is on Mountain Time — a 1-hour difference. When it's noon in Dallas, it's 11 a.m. in Idaho Falls, which puts Dallas 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.
Dallas has a population of 1,300,642, vs 65,685 in Idaho Falls — about 19.8× larger by population. By land area, Dallas covers about 340 sq mi vs 27 sq mi for Idaho Falls.
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 | Dallas | Idaho Falls | Difference |
|---|---|---|---|
| Median rent | $1,305/mo | $931/mo | 40.2% higher in Dallas |
| Median home value | $270,700 | $266,800 | 1.5% higher in Dallas |
| Median household income | $63,985 | $66,463 | 3.9% higher in Idaho Falls |
| Groceries index | 101.7 | 96.9 | 5.0% higher in Dallas |
| Utilities index | 89.3 | 74.6 | 19.6% higher in Dallas |
| Transportation index | 98.5 | 99.5 | 1.0% higher in Idaho Falls |
| Healthcare index | 99.7 | 99.4 | ≈ equal (Dallas 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 Dallas, you'd need $84,806 in Idaho Falls to maintain your standard of living.
Climate, safety, and demographics side by side.
Idaho Falls, ID is about 15.2% cheaper overall than Dallas, TX, based on our cost-of-living index. Housing costs are roughly 40% higher in Dallas than in Idaho Falls. If you earn $80,000 in Dallas, you'd need about $67,844 in Idaho Falls to keep the same standard of living.