Size It Up

ALL ANSWERS · GEOGRAPHY · DAILY No. 10 · SEPTEMBER 13, 2026

Size It Up Geography answer: September 13

The five Geography silhouettes for September 13, with the true sizes. If you have not played yet, this page is a spoiler — play these five first, then come back to argue with the numbers.

Day 10 ran from Qinghai Lake (98.11 km) to Brazil (4,331 km). The widest gap was round 2, Qinghai Lake against Côte d'Ivoire, at 7.2×; the closest call was round 5, Illinois against Kentucky, only 1.1× apart — the kind of round that separates a 90 from a 60.

  1. ROUND 1

    Oklahoma (US state) vs Issyk-Kul

    Issyk-Kul · reference · 171.1 km
    Oklahoma · true width · 770.7 km

    4.5× wider than Issyk-Kul

    Oklahoma extends about 771 km east to west across this outline.

  2. ROUND 2

    Qinghai Lake vs Côte d'Ivoire

    Côte d'Ivoire · reference · 708.3 km
    Qinghai Lake · true width · 98.11 km

    7.2× shorter than Côte d'Ivoire

    Qinghai Lake extends about 98 km east to west across this outline.

  3. ROUND 3

    Brazil vs Argentina

    Argentina · reference · 3,695 km
    Brazil · true height · 4,331 km

    1.2× taller than Argentina

    Brazil extends about 4,331 km north to south across this outline.

  4. ROUND 4

    Delaware (US state) vs Nebraska (US state)

    Nebraska · reference · 739.1 km
    Delaware · true height · 154.2 km

    4.8× shorter than Nebraska

    Delaware extends about 154 km north to south across this outline.

  5. ROUND 5

    Illinois (US state) vs Kentucky (US state)

    Kentucky · reference · 675.4 km
    Illinois · true height · 616.8 km

    1.1× shorter than Kentucky

    Illinois extends about 617 km north to south across this outline.

Beat these tomorrow

Every round is worth up to 100 points: within 6% of the true size scores 100, half or double scores 45, five times off scores zero. The daily puzzle is the same five for everyone and refreshes at midnight in your time zone; if you want more than five, Size It Up Unlimited draws fresh pairs from the whole library for as long as you like.

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