| Volterra to Oswego (Illinois) | 4,717.44 mi (7,591.98 km) |
| Volterra to Oswego (New York) | 4,160.36 mi (6,695.45 km) |
| Volterra to Otsego (Minnesota) | 4,759.79 mi (7,660.14 km) |
| Volterra to Ottawa (Illinois) | 4,751.37 mi (7,646.59 km) |
| Volterra to Ottawa (Kansas) | 5,132.41 mi (8,259.81 km) |
| Volterra to Ottumwa (Iowa) | 4,908.12 mi (7,898.85 km) |
| Volterra to Overland (Missouri) | 4,932.78 mi (7,938.54 km) |
| Volterra to Overland Park (Kansas) | 5,096.18 mi (8,201.51 km) |
| Volterra to Overlea (Maryland) | 4,319.80 mi (6,952.04 km) |
| Volterra to Oviedo (Florida) | 4,984.51 mi (8,021.79 km) |
| Volterra to Owasso (Oklahoma) | 5,265.56 mi (8,474.10 km) |
| Volterra to Owatonna (Minnesota) | 4,798.78 mi (7,722.89 km) |
| Volterra to Owensboro (Kentucky) | 4,841.12 mi (7,791.02 km) |
| Volterra to Owings Mills (Maryland) | 4,329.87 mi (6,968.25 km) |
| Volterra to Owosso (Michigan) | 4,494.45 mi (7,233.13 km) |
