| Prato to Oakley (California) | 6,056.86 mi (9,747.57 km) |
| Prato to Oakton (Virginia) | 4,366.80 mi (7,027.68 km) |
| Prato to Oakville (Missouri) | 4,931.95 mi (7,937.21 km) |
| Prato to Oatfield (Oregon) | 5,645.80 mi (9,086.04 km) |
| Prato to Ocala (Florida) | 5,002.73 mi (8,051.12 km) |
| Prato to Ocean Acres (New Jersey) | 4,200.97 mi (6,760.81 km) |
| Prato to Ocean City (New Jersey) | 4,233.77 mi (6,813.59 km) |
| Prato to Ocean Pines (Maryland) | 4,293.01 mi (6,908.94 km) |
| Prato to Ocean Pointe (Hawaii) | 7,879.81 mi (12,681.33 km) |
| Prato to Ocean Springs (Mississippi) | 5,241.97 mi (8,436.14 km) |
| Prato to Oceanside (California) | 6,197.68 mi (9,974.20 km) |
| Prato to Oceanside (New York) | 4,138.26 mi (6,659.88 km) |
| Prato to Ocoee (Florida) | 5,001.60 mi (8,049.30 km) |
| Prato to Oconomowoc (Wisconsin) | 4,649.90 mi (7,483.30 km) |
| Prato to Odenton (Maryland) | 4,333.18 mi (6,973.58 km) |
