| 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 |
| Corby South | 110.72 km | 256.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Wormingford | 119.92 km | 118.0° | Line 1.00 km (Radius 0.50 km) |
| Total: | 305.04 km | ||