| Volterra to Orangevale (California) | 6,022.94 mi (9,692.98 km) |
| Volterra to Orchards (Washington) | 5,650.60 mi (9,093.76 km) |
| Volterra to Orcutt (California) | 6,220.56 mi (10,011.03 km) |
| Volterra to Oregon (Ohio) | 4,520.14 mi (7,274.46 km) |
| Volterra to Oregon (Wisconsin) | 4,704.30 mi (7,570.83 km) |
| Volterra to Oregon City (Oregon) | 5,672.49 mi (9,129.00 km) |
| Volterra to Orem (Utah) | 5,637.95 mi (9,073.40 km) |
| Volterra to Orinda (California) | 6,097.87 mi (9,813.58 km) |
| Volterra to Orland Park (Illinois) | 4,701.79 mi (7,566.80 km) |
| Volterra to Orlando (Florida) | 4,999.52 mi (8,045.95 km) |
| Volterra to Ormond Beach (Florida) | 4,951.99 mi (7,969.46 km) |
| Volterra to Oro Valley (Arizona) | 6,041.06 mi (9,722.15 km) |
| Volterra to Oroville (California) | 5,985.57 mi (9,632.84 km) |
| Volterra to Oshkosh (Wisconsin) | 4,624.23 mi (7,441.97 km) |
| Volterra to Oskaloosa (Iowa) | 4,904.23 mi (7,892.59 km) |
