diff --git a/src/main/java/seng202/group9/Core/Airport.java b/src/main/java/seng202/group9/Core/Airport.java
index 2f19008..f252c55 100644
--- a/src/main/java/seng202/group9/Core/Airport.java
+++ b/src/main/java/seng202/group9/Core/Airport.java
@@ -374,7 +374,7 @@ public class Airport {
      */
 	public double calculateDistance(Airport airport){
 		double distance = 0;
-		double dLong = this.longitude - airport.getLatitude();
+		double dLong = this.longitude - airport.getLongitude();
 		double dLat = this.latitude - airport.getLatitude();
 		double a = Math.pow((Math.sin(dLat/2)), 2) + Math.cos(this.latitude) * Math.cos(airport.getLatitude()) * Math.pow(Math.sin(dLong/2), 2);
 		double c = a * Math.atan2(Math.sqrt(a), Math.sqrt(1-a));