| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Honeybourne | 4.79 km | 24.8° | Next, R=5.00 km, Angle=90.0° |
| Northampton South | 64.88 km | 81.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Melton Mast | 68.77 km | 5.3° | Symmetric, Rmin=5.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=5.00 km |
| St Neots | 75.31 km | 150.7° | Symmetric, Rmin=5.00 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=5.00 km |
| Ettington | 92.82 km | 265.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Bidford | 12.99 km | 269.7° | Cylinder R=3.00 km |
| Total: | 314.76 km | ||