| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Sudbury | 11.59 km | 150.8° | Line 10.00 km (Radius 5.00 km) |
| Wendling | 74.40 km | 6.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| St Neots | 93.07 km | 234.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Uppingham N | 53.35 km | 324.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Wormingford | 127.08 km | 124.2° | Line 1.00 km (Radius 0.50 km) |
| Total: | 347.91 km | ||