| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Gransden Lodge | 0.00 km | 0.0° | Next, R=5.00 km, Angle=90.0° |
| Oakington | 12.11 km | 49.1° | Symmetric, Rmin=8.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=8.00 km |
| St Neots S | 23.85 km | 250.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Gransden Lodge | 13.28 km | 89.1° | Cylinder R=3.00 km |
| Total: | 49.25 km | ||