| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Keevil | 0.00 km | 0.0° | Next, R=5.00 km, Angle=90.0° |
| Frome | 17.83 km | 236.9° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Chippenham W | 27.21 km | 26.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Welford | 51.21 km | 88.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Rivar Hill North | 14.01 km | 223.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Devizes | 30.23 km | 268.1° | 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: | 150.12 km | ||