Travel Distance Converter
Convert distances between km, miles, and nautical miles.
Kilometres
100
km
Miles
62.1371
mi
Nautical miles
53.9957
nmi
Metres
100,000
m
Feet
328,083.99
ft
Reference distances
A few well-known distances to put the numbers in perspective.
- A 5K running race5 km · 3.1069 mi
- A standard marathon42.195 km · 26.2188 mi
- The English Channel at its narrowest33.3 km · 20.6917 mi
- London to Paris (straight line)344 km · 213.75 mi
- New York to Los Angeles (straight line)3,936 km · 2,445.72 mi
- Around the Earth at the equator40,075 km · 24,901.45 mi
This is a unit converter. To measure the gap between two points on a map you would need their coordinates — that is a different calculation.
How to use Travel Distance Converter
What this tool does
The Travel Distance Converter changes a distance from one unit of measurement into another. Enter a value in kilometres, miles, nautical miles, metres or feet, choose which unit you typed it in, and the tool instantly shows the equivalent in every other unit. It also lists a handful of well-known reference distances so the numbers have a sense of scale. It is a pure unit converter — quick, exact and built for travellers who keep meeting distances quoted in units they do not naturally think in.
When you’d use it
Travel constantly mixes units. A road sign abroad is in kilometres while your instinct works in miles, or the reverse. A flight summary gives a distance in nautical miles. A walking route is described in metres, a hiking trail in miles, a running event in kilometres. This converter is for any of those moments: working out whether a “ten kilometre” walk is a gentle stroll or a serious hike, translating a foreign road distance into a unit you can judge, or simply satisfying curiosity about how far a long-haul flight really is. It is equally useful for runners comparing race distances and for anyone planning a journey across a country that uses a different system.
How to use it
- Type the distance into the input field.
- Choose the unit you entered it in — kilometres, miles, nautical miles, metres or feet.
- Read the converted values in every other unit; the unit you typed in is highlighted.
- Use the copy button on any card to put that value on your clipboard.
- Glance at the reference distances below to put your result in perspective.
How it works
Every unit the tool supports has an exact definition in metres: a kilometre is 1,000 metres, a mile is 1,609.344 metres, a nautical mile is 1,852 metres and a foot is 0.3048 metres. When you enter a value, the converter multiplies it by the metre-factor of the unit you chose to get the distance in metres, then divides by each other unit’s factor to produce every conversion. Because the factors are exact and standardised, the method introduces no error — the results are as precise as the figure you type in.
How to read the result
Each card shows the same distance expressed in a different unit, with the unit you entered highlighted so you can keep your bearings. The display rounds sensibly: larger numbers show fewer decimal places and smaller ones show more, so the figures stay both accurate and easy to read. The reference list pairs familiar distances with their kilometre and mile values — a quiet way to sanity-check a conversion and to feel how far your distance actually is.
Tips
A quick mental shortcut: a kilometre is roughly six-tenths of a mile, so to go from kilometres to miles you can multiply by about 0.6, and the other way multiply by about 1.6. Nautical miles are close to land miles but slightly longer, which matters for flights and sea travel. For converting other kinds of measurement — weight, volume, temperature, speed — see the broader unit converter. To work out how long a journey takes once you know the route, try the trip duration calculator, and to prepare for the trip itself, the packing list generator.
Privacy
This converter runs entirely in your browser as simple arithmetic. The distance you enter is never uploaded, never stored and never logged — close the tab and nothing remains. No account, no tracking, just an instant local conversion.
Frequently asked questions
What is a nautical mile and when is it used?
Is this a tool for measuring the distance between two places?
How accurate are the conversions?
Why are there reference distances?
Is my data kept private?
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