Map of Iida, Japan

Iida is a city in Nagano, Japan, with a population of about 101,536. It lies at 35.5196°N, 137.8207°E. Iida is about 170 km (106 mi) west of Tokyo, the capital. The nearest city on our map is Nakatsugawa, 29 km to the west.

Iida at a glance

Where is Iida?

• The 4th largest city in Nagano on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 45 min on the shortest day to 14 h 34 min on the longest day (around 21 December and 21 June).

Cities near Iida

• Nakatsugawa — 29 km west
• Ina — 36 km north
• Ena — 40 km west
• Mizunami — 54 km west
• Minami-Alps — 59 km east
• Toki — 61 km west
• Chino — 61 km northeast
• Gero — 62 km northwest
• Hokuto — 63 km northeast
• Okaya — 63 km north

Largest cities in Nagano

• Nagano — 372,760
• Matsumoto — 241,145
• Ueda — 157,480
• Saku — 99,131
• Azumino — 94,222
• Ina — 68,177
• Shiojiri — 67,241
• Chikuma — 59,381
• Chino — 56,400
• Okaya — 54,286

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.