| Volterra to Odessa (Texas) | 5,743.34 mi (9,243.01 km) |
| Volterra to Ogden (Utah) | 5,596.17 mi (9,006.16 km) |
| Volterra to Oildale (California) | 6,144.91 mi (9,889.27 km) |
| Volterra to Ojus (Florida) | 5,057.70 mi (8,139.58 km) |
| Volterra to Okemos (Michigan) | 4,516.13 mi (7,268.02 km) |
| Volterra to Oklahoma City (Oklahoma) | 5,372.38 mi (8,646.02 km) |
| Volterra to Okmulgee (Oklahoma) | 5,305.15 mi (8,537.82 km) |
| Volterra to Olathe (Kansas) | 5,101.57 mi (8,210.18 km) |
| Volterra to Old Jamestown (Missouri) | 4,922.87 mi (7,922.59 km) |
| Volterra to Oldsmar (Florida) | 5,080.28 mi (8,175.92 km) |
| Volterra to Olean (New York) | 4,294.50 mi (6,911.33 km) |
| Volterra to Olive Branch (Mississippi) | 5,082.47 mi (8,179.45 km) |
| Volterra to Olivehurst (California) | 6,009.87 mi (9,671.96 km) |
| Volterra to Olney (Maryland) | 4,352.68 mi (7,004.96 km) |
| Volterra to Olympia (Washington) | 5,580.77 mi (8,981.37 km) |
