| Codigoro to Olympia Heights (Florida) | 5,100.52 mi (8,208.49 km) |
| Codigoro to Omaha (Nebraska) | 5,017.34 mi (8,074.64 km) |
| Codigoro to On Top of the World Designated Place (Florida) | 5,031.35 mi (8,097.18 km) |
| Codigoro to Onalaska (Wisconsin) | 4,713.77 mi (7,586.08 km) |
| Codigoro to Oneida (New York) | 4,138.25 mi (6,659.86 km) |
| Codigoro to Oneonta (New York) | 4,138.16 mi (6,659.72 km) |
| Codigoro to Ontario (California) | 6,142.76 mi (9,885.82 km) |
| Codigoro to Ontario (Oregon) | 5,548.31 mi (8,929.13 km) |
| Codigoro to Opa-locka (Florida) | 5,088.48 mi (8,189.12 km) |
| Codigoro to Opelika (Alabama) | 5,001.27 mi (8,048.77 km) |
| Codigoro to Opelousas (Louisiana) | 5,387.83 mi (8,670.87 km) |
| Codigoro to Orange (California) | 6,163.14 mi (9,918.61 km) |
| Codigoro to Orange (Texas) | 5,477.69 mi (8,815.48 km) |
| Codigoro to Orange City (Florida) | 4,994.54 mi (8,037.93 km) |
| Codigoro to Orangeburg (South Carolina) | 4,767.80 mi (7,673.03 km) |
