| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Sermington Aqueduct | 4.05 km | 147.8° | Next, R=5.00 km, Angle=90.0° |
| Swindon South | 34.91 km | 55.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| The Camp | 39.36 km | 315.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Winchcombe | 23.86 km | 29.3° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Devizes | 68.03 km | 181.7° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Keevil Finish East | 9.52 km | 243.8° | Line 2.00 km (Radius 1.00 km) |
| Total: | 175.68 km | ||