| Volterra to Portage (Michigan) | 4,584.99 mi (7,378.83 km) |
| Volterra to Portage (Wisconsin) | 4,679.86 mi (7,531.51 km) |
| Volterra to Portales (New Mexico) | 5,665.04 mi (9,117.01 km) |
| Volterra to Porterville (California) | 6,108.58 mi (9,830.82 km) |
| Volterra to Portland (Maine) | 3,887.06 mi (6,255.62 km) |
| Volterra to Portland (Oregon) | 5,662.56 mi (9,113.00 km) |
| Volterra to Portland (Tennessee) | 4,867.99 mi (7,834.27 km) |
| Volterra to Portland (Texas) | 5,738.46 mi (9,235.16 km) |
| Volterra to Portsmouth (New Hampshire) | 3,930.94 mi (6,326.23 km) |
| Volterra to Portsmouth (Ohio) | 4,621.91 mi (7,438.25 km) |
| Volterra to Portsmouth (Virginia) | 4,413.81 mi (7,103.33 km) |
| Volterra to Post Falls (Idaho) | 5,385.91 mi (8,667.79 km) |
| Volterra to Potomac (Maryland) | 4,363.35 mi (7,022.14 km) |
| Volterra to Potomac Park (California) | 6,146.61 mi (9,892.02 km) |
| Volterra to Pottstown (Pennsylvania) | 4,246.81 mi (6,834.59 km) |
