21 Miles
Live — —
Iran
→ Persian Gulf
Oman · UAE
← Gulf of Oman
21miles narrowest
247 transits / 7d
~20%world oil
Through these 21 miles
~33%sea LNG
No alternative route
A simple way to see how consequences travel

If Hormuz closes,
what could reach Portugal?

The shock may not begin here, but it can travel through fuel at the pump, supermarket imports, port delays, and household electricity — Iberia is the end of Europe's gas pipeline.

Updated · Lisbon
if Hormuz closes near Japan for 30 days
Most people watch oil prices.
The first signal may be somewhere else.
Start with one simple chain. About 90 seconds.

This alpha version of 21 Miles is not a forecast.

The connections between materials, supplies, and everyday products are real and sourced. But the day counts are simple estimates for now — not outputs from our full simulation capability.

Choose your situation
three dials
What happened?
i.
Where are you?
ii.
How long does it last?
iii.
Not a forecast. A way to understand what may be at stake.
Hormuz closes · 30 days · Lisbon

A closed waterway can reach you in many ways.

Pick a transmission. Each is a 90-second chain — what reaches you, when, and how it changes.

i.
Beat 1 of 6 Day 1
Tap to advance
Your turn

Put the dominoes in order.

Tap the events in the order you think they happen. We'll show you what most miss.

1 cascades watched
— Your perception shift

What you saw differently — and what the model saw first.

A learning artifact, not a score
Want to remember what changed in how you saw this?
Write a sentence in your notebook.
How this crisis reached each part of your life
1
A reflection
What would this touch in your life?
Tap a surface. The same crisis, retold through where you live it.
Why this matters

From here
If it lasts longer

What changes with duration

Same shock. Same place. Different lengths of time. Watch where the chain reaches.

7d 30d 90d 180d
In your life

Through your country

Same crisis. Different lived examples. Five everyday objects, one chain.

The Hidden Link

Share what you saw
21 Miles
Tools
Live
Companion apps
Notebook
App
The thing most people miss
1 of 20
Trace it back
1 / 5
The 90-second briefing

In one sentence
First effects
Hidden effect
Slow effect
What to watch
Today's Hormuz outlook

Today's Hormuz outlook

A simple reading of what may be moving today. Not a forecast.

The Quiet Signal
Today's reading

Same crisis, different shape
Glossary · 23 terms
0 of 8 unlocked
Notebook · private

Three sentences for someone who wasn't here. About what you noticed. About what surprised you. About what now feels different.

Not yet saved · type to begin
Settings
Reduced motion
Disable the cinematic transition
Background mesh
Subtle drift in the strait hero
Sound
Ambient bed + button cues
Privacy
All notebook entries stay on this device
About 21 Miles Privacy policy Disclaimer