| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Chiltern Park | 0.00 km | 0.0° | Line 10.00 km (Radius 5.00 km) |
| Towcester | 65.94 km | 6.2° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Overton | 100.34 km | 190.7° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Chiltern Park | 31.95 km | 18.8° | Cylinder R=3.00 km |
| Total: | 198.23 km | ||