diff --git a/classes.py b/classes.py
index 15ce554..2a1af40 100644
--- a/classes.py
+++ b/classes.py
@@ -75,11 +75,12 @@ class Location:
         Seitenkosinussatz
         """
         rErde = 6378.388
-        lat1 = float(self.coord.lat)
-        long1 = float(self.coord.long)
-        lat2 = float(loc2.coord.lat)
-        long2 = float(loc2.coord.long)
-        inner = math.sin(lat1) * math.sin(lat2) + math.cos(lat1) * math.cos(lat2) * math.cos(long2 - long1)
+        lat1 = math.radians(float(self.coord.lat))
+        long1 = math.radians(float(self.coord.long))
+        lat2 = math.radians(float(loc2.coord.lat))
+        long2 = math.radians(float(loc2.coord.long))
+        inner = math.sin(lat1) * math.sin(lat2) + \
+            math.cos(lat1) * math.cos(lat2) * math.cos(long2 - long1)
         return rErde * math.acos(inner)
 
 
diff --git a/file.txt b/file.txt
index cb1ed77..e5351bc 100644
--- a/file.txt
+++ b/file.txt
@@ -1,7 +1,7 @@
 Locations:
 csu_zen  ; Location;            48.176971; 11.5895754; 1; CSU-Zentrale
 mun_hbf  ; PublicTransportStop; 48.140235; 11.559417;  1; Muenchen Hbf.
-mun_flugh; Airport;             48.140235; 11.770723;  1; Muenchen Flughafen
+mun_flugh; Airport;             48.35333;  11.770723;  1; Muenchen Flughafen
 reichstag; Location;            52.518191; 13.3751725; 1; Reichstags Gebaeude
 ber_flugh; Airport;             52.553625; 13.2901544; 1; Berlin Flughafen Tegel
 ber_hbf  ; PublicTransportStop; 52.524195; 13.3693013; 1; Berlin Hbf
diff --git a/graph.py b/graph.py
index 3badb23..d509ed5 100644
--- a/graph.py
+++ b/graph.py
@@ -15,7 +15,7 @@ def calc_co2(distance: float, kind: TransportKind) -> float:
                 return 0
             else:
                 # TODO: CITY == AUTOBAHN
-                return distance * TransportMethod.CITY.value.co2
+                return (distance - 1) * TransportMethod.CITY.value.co2
         case TransportKind.TRAIN:
             # TODO: OPENV == ICE
             return distance * TransportMethod.ICE.value.co2