| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Sudbury | 11.59 km | 150.8° | Line 10.00 km (Radius 5.00 km) |
| Pickenham | 66.72 km | 0.1° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| St Neots | 82.02 km | 235.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Corby | 42.08 km | 317.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Wormingford | 117.98 km | 120.4° | Line 1.00 km (Radius 0.50 km) |
| Total: | 308.80 km | ||