diff --git a/src/maths.c b/src/maths.c
index ed5964e..4430608 100644
--- a/src/maths.c
+++ b/src/maths.c
@@ -54,3 +54,7 @@ SYMBOL_EXPORT int Sign(double val) {
 SYMBOL_EXPORT double Fract(double val) {
 	return val - floor(val);
 }
+
+SYMBOL_EXPORT double Distance(double x1, double y1, double x2, double y2) {
+	return sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2));
+}
diff --git a/src/maths.h b/src/maths.h
index 8c428dc..3ef7553 100644
--- a/src/maths.h
+++ b/src/maths.h
@@ -30,5 +30,6 @@ double Clamp(double left, double right, double val);
 double Lerp(double left, double right, double pos);
 int Sign(double val);
 double Fract(double val);
+double Distance(double x1, double y1, double x2, double y2);
 
 #endif /* LIBSUPERDERPY_MATHS_H */