| Boscotrecase to Olympia Heights (Florida) | 5,314.43 mi (8,552.75 km) |
| Boscotrecase to Omaha (Nebraska) | 5,294.44 mi (8,520.58 km) |
| Boscotrecase to On Top of the World Designated Place (Florida) | 5,259.20 mi (8,463.86 km) |
| Boscotrecase to Onalaska (Wisconsin) | 4,989.75 mi (8,030.22 km) |
| Boscotrecase to Oneida (New York) | 4,393.26 mi (7,070.27 km) |
| Boscotrecase to Oneonta (New York) | 4,390.65 mi (7,066.07 km) |
| Boscotrecase to Ontario (California) | 6,435.45 mi (10,356.85 km) |
| Boscotrecase to Ontario (Oregon) | 5,847.25 mi (9,410.23 km) |
| Boscotrecase to Opa-locka (Florida) | 5,302.72 mi (8,533.91 km) |
| Boscotrecase to Opelika (Alabama) | 5,244.51 mi (8,440.23 km) |
| Boscotrecase to Opelousas (Louisiana) | 5,638.36 mi (9,074.06 km) |
| Boscotrecase to Orange (California) | 6,455.85 mi (10,389.68 km) |
| Boscotrecase to Orange (Texas) | 5,730.42 mi (9,222.21 km) |
| Boscotrecase to Orange City (Florida) | 5,219.81 mi (8,400.48 km) |
| Boscotrecase to Orangeburg (South Carolina) | 5,004.90 mi (8,054.60 km) |
