Map of Athi River, Kenya

Athi River is a city in Machakos County, Kenya, with a population of about 81,302. It lies at 1.4563°S, 36.9783°E. Athi River is about 26 km (16 mi) southeast of Nairobi, the capital. The nearest city on our map is Kitengela, 3 km to the southwest.

Athi River at a glance

Where is Athi River?

• The 27th largest city in Kenya by recorded population.
• The 2nd largest city in Machakos County on this site.
• Located in the Southern and Eastern hemispheres.
• Daylight ranges from about 12 h 02 min on the shortest day to 12 h 12 min on the longest day (around 21 June and 21 December).

Cities near Athi River

• Kitengela — 3 km southwest
• Mlolongo — 8 km northwest
• Ongata Rongai — 25 km west
• Nairobi — 26 km northwest
• Kiserian — 33 km west
• Machakos — 33 km east
• Ruiru — 34 km north
• Kiambu — 35 km northwest
• Ngong — 36 km west
• Juja — 40 km north

Largest cities in Machakos County

• Mlolongo — 136,351
• Machakos — 63,767
• Kinoi — 44,086

Largest cities in Kenya

• Nairobi — 4,397,073
• Kakamega — 1,867,579
• Mombasa — 1,208,333
• Nakuru — 570,674
• Ruiru — 490,120
• Eldoret — 475,716
• Kisumu — 397,957
• Kikuyu — 323,881
• Thika — 251,407
• Naivasha — 198,444

Map of Kenya and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.