How Long is the River Thames?
Thames length
346.0km
215.0
miles
346,000
metres
That's also...
🍫
3.1M
Mars Bars
🍪
6.3M
Jaffa Cakes
🍪
4.9M
Digestive Biscuits
🍪
5.3M
Custard Creams
🍫
3.8M
Kit Kat Fingers
🐸
4.9M
Freddos
🍪
4.7M
Wagon Wheels
🍌
1.9M
Bananas
🥖
1.1M
Subway Footlongs
🍝
1.4M
Spaghetti Strands
🥔
5.8M
Pringles
🍪
5.3M
Hobnobs
Time to travel...
🚶
2.9 days
Walking
🚴
17.3 hrs
Cycling
🚗
3.1 hrs
UK Motorway (70mph)
✈️
23.1 min
Commercial Flight
🚀
31.9 sec
Apollo 11
💡
1.2 ms
Speed of Light
👶
9.6 days
Crawling (baby)
🏃
1.2 days
Running
Fun fact: The Thames flows through or alongside 8 English counties and has over 200 bridges crossing it!
About This Calculator
Calculate the length of the River Thames - England's most famous river.