| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Trowbridge | 7.85 km | 90.1° | Next, R=5.00 km, Angle=90.0° |
| Blakehill Farm | 40.56 km | 33.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Calne W | 22.14 km | 203.8° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Wroughton | 16.73 km | 63.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Keevil Finish East | 29.48 km | 225.0° | Line 2.00 km (Radius 1.00 km) |
| Total: | 108.91 km | ||