Map of Tomakomai, Japan

Tomakomai is a city in Hokkaido, Japan, with a population of about 174,806. It lies at 42.6369°N, 141.6033°E. Tomakomai is about 790 km (491 mi) north of Tokyo, the capital. The nearest city on our map is Chitose, 21 km to the north.

Tomakomai at a glance

Where is Tomakomai?

• The 4th largest city in Hokkaido on this site.
• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 9 h 02 min on the shortest day to 15 h 19 min on the longest day (around 21 December and 21 June).

Cities near Tomakomai

• Chitose — 21 km north
• Eniwa — 29 km north
• Kitahiroshima — 38 km north
• Noboribetsu — 40 km southwest
• Sapporo — 52 km northwest
• Ebetsu — 53 km north
• Muroran — 62 km southwest
• Date — 63 km west
• Iwamizawa — 64 km north
• Ishikari — 70 km north

Largest cities in Hokkaido

• Sapporo — 1,973,832
• Asahikawa — 333,530
• Hakodate — 275,730
• Kushiro — 167,875
• Obihiro — 166,536
• Ebetsu — 133,953
• Kitami — 119,135
• Otaru — 115,333
• Chitose — 97,950
• Muroran — 96,197

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.