Map of Komoro, Japan

Komoro is a city in Nagano, Japan, with a population of about 46,272. It lies at 36.3167°N, 138.4333°E. Komoro is about 133 km (83 mi) northwest of Tokyo, the capital. The nearest city on our map is Saku, 12 km to the south.

Komoro at a glance

Where is Komoro?

• The 14th largest city in Nagano on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 41 min on the shortest day to 14 h 38 min on the longest day (around 21 December and 21 June).

Cities near Komoro

• Saku — 12 km south
• Ueda — 17 km northwest
• Suzaka — 39 km north
• Chikuma — 39 km northwest
• Annaka — 41 km east
• Tomioka — 42 km east
• Suwa — 42 km southwest
• Matsumoto — 43 km west
• Nagano — 43 km northwest
• Chino — 44 km southwest

Largest cities in Nagano

• Nagano — 372,760
• Matsumoto — 241,145
• Ueda — 157,480
• Iida — 101,536
• Saku — 99,131
• Azumino — 94,222
• Ina — 68,177
• Shiojiri — 67,241
• Chikuma — 59,381
• Chino — 56,400

Largest cities in Japan

• Tokyo — 9,733,276
• Yokohama — 3,777,491
• Osaka — 2,753,862
• Nagoya — 2,332,176
• Sapporo — 1,973,832
• Fukuoka — 1,612,392
• Kawasaki — 1,538,262
• Kobe — 1,525,152
• Kyoto — 1,463,723
• Saitama — 1,324,854

Map of Japan 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.