| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Leighton Buzzard NE | 9.03 km | 140.1° | Next, R=5.00 km, Angle=90.0° |
| Melksham | 121.35 km | 240.0° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Kingsclere | 62.57 km | 94.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Silverstone | 84.36 km | 11.3° | Symmetric, Rmin=0.50 km, Rmax=10.00 km, Angle=180.0°, Cylinder R=0.50 km |
| Dunstable Airfield | 38.57 km | 125.3° | Line 5.00 km, Angle=125.0° |
| Total: | 306.86 km | ||