| Certaldo to Oakley (California) | 6,074.01 mi (9,775.18 km) |
| Certaldo to Oakton (Virginia) | 4,375.68 mi (7,041.97 km) |
| Certaldo to Oakville (Missouri) | 4,943.21 mi (7,955.33 km) |
| Certaldo to Oatfield (Oregon) | 5,664.13 mi (9,115.54 km) |
| Certaldo to Ocala (Florida) | 5,009.52 mi (8,062.04 km) |
| Certaldo to Ocean Acres (New Jersey) | 4,209.58 mi (6,774.66 km) |
| Certaldo to Ocean City (New Jersey) | 4,242.27 mi (6,827.27 km) |
| Certaldo to Ocean Pines (Maryland) | 4,301.31 mi (6,922.28 km) |
| Certaldo to Ocean Pointe (Hawaii) | 7,901.85 mi (12,716.80 km) |
| Certaldo to Ocean Springs (Mississippi) | 5,250.64 mi (8,450.09 km) |
| Certaldo to Oceanside (California) | 6,213.23 mi (9,999.23 km) |
| Certaldo to Oceanside (New York) | 4,147.06 mi (6,674.05 km) |
| Certaldo to Ocoee (Florida) | 5,008.06 mi (8,059.69 km) |
| Certaldo to Oconomowoc (Wisconsin) | 4,662.14 mi (7,502.99 km) |
| Certaldo to Odenton (Maryland) | 4,342.01 mi (6,987.79 km) |
