Cities near Sidney

Sidney is a city of 20,858 inhabitants in United States. The most populous cities near Sidney within 100 km are Dayton, Springfield, Kettering. Distances are measured as the crow flies.

Use the map and table below to explore the cities near Sidney.

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Latitude: 40.2842° Longitude: -84.1555° Population: 20,858 Timezone: America/New_York
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Nearby cities 45 cities found

Sorted by population, from largest to smallest. Distances are measured as the crow flies.

City Country Distance Population
Dayton United States 58.5 km 135,512
Springfield United States 49.7 km 59,680
Kettering United States 66.1 km 55,525
Middletown United States 88.0 km 48,760
Beavercreek United States 64.4 km 46,277
Dublin United States 90.8 km 45,098
Findlay United States 94.7 km 41,149
Huber Heights United States 49.0 km 38,176
Delaware United States 92.3 km 37,995
Lima United States 51.1 km 37,873
Marion United States 93.3 km 36,363
Richmond United States 80.5 km 35,854
Upper Arlington United States 98.3 km 34,907
Hilliard United States 89.2 km 33,649
Fairborn United States 52.8 km 33,452
Xenia United States 69.4 km 25,976
Troy United States 27.5 km 25,659
Riverside United States 56.2 km 24,972
Trotwood United States 55.7 km 24,096
Centerville United States 72.9 km 23,882
Marysville United States 67.1 km 22,817
Oxford United States 100.0 km 22,104
Piqua United States 17.2 km 20,790
Lebanon United States 94.5 km 20,623
Miamisburg United States 72.2 km 20,034
Springboro United States 81.7 km 18,213
Vandalia United States 43.9 km 15,106
Worthington United States 98.9 km 14,498
Englewood United States 46.9 km 13,460
Monroe United States 95.5 km 13,393
West Carrollton City United States 68.5 km 13,297
Clayton United States 50.0 km 13,146
Bellefontaine United States 34.6 km 13,117
Greenville United States 45.3 km 13,006
Powell United States 92.8 km 12,972
Wilmington United States 97.4 km 12,449
Trenton United States 93.0 km 12,281
Franklin United States 81.6 km 11,783
Urbana United States 39.4 km 11,547
Shiloh United States 52.1 km 11,272
Lewis Center United States 97.7 km 11,261
Van Wert United States 74.5 km 10,798
Celina United States 45.8 km 10,387
London United States 74.7 km 10,060
Bluffton United States 99.7 km 10,005

What is this tool?

The Cities Near tool lets you explore all populated places within a chosen radius of any city in the world. Enter a city, pick a radius (50, 100, 200, or 500 km), and get an instant interactive map and list — sorted from most to least populous.

This is useful for trip planning, geography research, or simply satisfying your curiosity about what lies around a given city. The underlying dataset comes from GeoNames and covers 70,000+ populated places worldwide.

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How far is Sidney from other cities?

Use the form below to find the distance from Sidney to any other city in the world.

How does the distance calculation work?

Distances are calculated using the Haversine formula, which gives the great-circle distance between two points on a sphere — the shortest path over the Earth's surface. The result is accurate to within a few kilometres for most city pairs. Note that the Haversine formula assumes a perfectly spherical Earth; the true Earth is slightly flattened, so very long distances may differ by up to 0.5% from the exact geodetic distance.

Cities near famous places

  • Within 100 km of Paris: Versailles, Chartres, Reims, Rouen — all classic day-trip destinations.
  • Within 200 km of Tokyo: Yokohama, Kawasaki, Sagamihara, Chiba, Shizuoka — the vast Kantō metropolitan area.
  • Within 500 km of Istanbul: Ankara, Bursa, Thessaloniki, Sofia, Izmir — crossing into three countries.

Frequently Asked Questions

What is the maximum radius I can search?

The tool offers radii of 50, 100, 200, and 500 km. For reference, a 500 km radius around Paris would cover most of France plus parts of Belgium, Germany, and Switzerland. Use the minimum population filter to narrow down the results to cities of the size you care about.

How is distance measured — straight line or road distance?

The distance shown is the straight-line great-circle distance (as the crow flies), not the road distance. Road distances are always longer due to routes, terrain, and urban layouts. This tool is intended for geographic exploration, not navigation.

What data source is used?

City data comes from the GeoNames geographical database, which aggregates official government sources worldwide. It includes name, coordinates, population, country, and timezone for over 70,000 populated places. Coordinates are accurate to 4–6 decimal places.


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