| Turnpoint | Distance | Direction | Observation zone |
|---|---|---|---|
| Keevil | 0.00 km | 0.0° | Next, R=5.00 km, Angle=90.0° |
| Chippenham W | 14.93 km | 349.0° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Swindon South | 30.76 km | 73.2° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Frome | 53.20 km | 231.6° | Symmetric, Rmin=0.50 km, Rmax=20.00 km, Angle=90.0°, Cylinder R=0.50 km |
| Keevil | 17.83 km | 56.8° | Line 6.00 km (Radius 3.00 km) |
| Total: | 116.72 km | ||