| Forli to Olympia Heights (Florida) | 5,111.94 mi (8,226.87 km) |
| Forli to Omaha (Nebraska) | 5,042.41 mi (8,114.98 km) |
| Forli to On Top of the World Designated Place (Florida) | 5,045.42 mi (8,119.82 km) |
| Forli to Onalaska (Wisconsin) | 4,738.51 mi (7,625.89 km) |
| Forli to Oneida (New York) | 4,157.81 mi (6,691.35 km) |
| Forli to Oneonta (New York) | 4,157.16 mi (6,690.30 km) |
| Forli to Ontario (California) | 6,172.60 mi (9,933.84 km) |
| Forli to Ontario (Oregon) | 5,580.62 mi (8,981.14 km) |
| Forli to Opa-locka (Florida) | 5,099.97 mi (8,207.60 km) |
| Forli to Opelika (Alabama) | 5,018.45 mi (8,076.41 km) |
| Forli to Opelousas (Louisiana) | 5,406.62 mi (8,701.12 km) |
| Forli to Orange (California) | 6,192.98 mi (9,966.64 km) |
| Forli to Orange (Texas) | 5,496.98 mi (8,846.53 km) |
| Forli to Orange City (Florida) | 5,008.10 mi (8,059.75 km) |
| Forli to Orangeburg (South Carolina) | 4,783.66 mi (7,698.56 km) |
