Red Deer is around the same size as Utrecht.

Utrecht is approximately 99 sq km, while Red Deer (map shows its 83 named neighbourhoods; the area covers the whole city) is approximately 105 sq km, making Red Deer 5% larger than Utrecht.
Tip: This to-scale comparison of Utrecht vs. Red Deer uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.