| Volterra to Oakley (California) | 6,077.26 mi (9,780.40 km) |
| Volterra to Oakton (Virginia) | 4,373.08 mi (7,037.80 km) |
| Volterra to Oakville (Missouri) | 4,942.12 mi (7,953.58 km) |
| Volterra to Oatfield (Oregon) | 5,668.40 mi (9,122.41 km) |
| Volterra to Ocala (Florida) | 5,005.66 mi (8,055.83 km) |
| Volterra to Ocean Acres (New Jersey) | 4,206.82 mi (6,770.22 km) |
| Volterra to Ocean City (New Jersey) | 4,239.44 mi (6,822.72 km) |
| Volterra to Ocean Pines (Maryland) | 4,298.36 mi (6,917.54 km) |
| Volterra to Ocean Pointe (Hawaii) | 7,910.15 mi (12,730.16 km) |
| Volterra to Ocean Springs (Mississippi) | 5,247.90 mi (8,445.69 km) |
| Volterra to Oceanside (California) | 6,215.19 mi (10,002.37 km) |
| Volterra to Oceanside (New York) | 4,144.42 mi (6,669.81 km) |
| Volterra to Ocoee (Florida) | 5,004.01 mi (8,053.18 km) |
| Volterra to Oconomowoc (Wisconsin) | 4,661.72 mi (7,502.31 km) |
| Volterra to Odenton (Maryland) | 4,339.38 mi (6,983.56 km) |
