| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Leighton Buzzard NE | 9.03 km | 140.1° | Line 10.00 km (Radius 5.00 km) |
| Grafham Water | 46.25 km | 31.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Cambridge North | 33.12 km | 95.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Sackville | 46.54 km | 270.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Newport Pagnall | 27.03 km | 221.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Dunstable Airfield | 27.17 km | 150.0° | Line 5.00 km, Angle=125.0° |
| Total: | 180.10 km | ||