| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Keevil | 0.00 km | 0.0° | Next, R=5.00 km, Angle=90.0° |
| Beckington | 13.29 km | 247.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Chippenham W | 21.83 km | 25.5° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Hungerford | 44.24 km | 94.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Devizes | 33.34 km | 258.4° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Keevil | 9.63 km | 243.8° | Cylinder R=3.00 km |
| Total: | 122.33 km | ||