| Cinfaes to Olympia Heights (Florida) | 4,178.46 mi (6,724.58 km) |
| Cinfaes to Omaha (Nebraska) | 4,352.35 mi (7,004.42 km) |
| Cinfaes to On Top of the World Designated Place (Florida) | 4,147.65 mi (6,675.00 km) |
| Cinfaes to Onalaska (Wisconsin) | 4,047.91 mi (6,514.48 km) |
| Cinfaes to Oneida (New York) | 3,368.23 mi (5,420.65 km) |
| Cinfaes to Oneonta (New York) | 3,356.56 mi (5,401.86 km) |
| Cinfaes to Ontario (California) | 5,583.04 mi (8,985.03 km) |
| Cinfaes to Ontario (Oregon) | 5,087.22 mi (8,187.08 km) |
| Cinfaes to Opa-locka (Florida) | 4,167.31 mi (6,706.63 km) |
| Cinfaes to Opelika (Alabama) | 4,169.11 mi (6,709.54 km) |
| Cinfaes to Opelousas (Louisiana) | 4,579.25 mi (7,369.59 km) |
| Cinfaes to Orange (California) | 5,603.23 mi (9,017.52 km) |
| Cinfaes to Orange (Texas) | 4,677.00 mi (7,526.91 km) |
| Cinfaes to Orange City (Florida) | 4,103.59 mi (6,604.09 km) |
| Cinfaes to Orangeburg (South Carolina) | 3,916.33 mi (6,302.73 km) |
