| Orbassano to Olympia Heights (Florida) | 4,884.71 mi (7,861.18 km) |
| Orbassano to Omaha (Nebraska) | 4,838.60 mi (7,786.98 km) |
| Orbassano to On Top of the World Designated Place (Florida) | 4,820.17 mi (7,757.32 km) |
| Orbassano to Onalaska (Wisconsin) | 4,533.83 mi (7,296.49 km) |
| Orbassano to Oneida (New York) | 3,940.60 mi (6,341.78 km) |
| Orbassano to Oneonta (New York) | 3,938.88 mi (6,339.01 km) |
| Orbassano to Ontario (California) | 5,986.20 mi (9,633.86 km) |
| Orbassano to Ontario (Oregon) | 5,407.30 mi (8,702.21 km) |
| Orbassano to Opa-locka (Florida) | 4,872.77 mi (7,841.96 km) |
| Orbassano to Opelika (Alabama) | 4,796.96 mi (7,719.96 km) |
| Orbassano to Opelousas (Louisiana) | 5,187.66 mi (8,348.74 km) |
| Orbassano to Orange (California) | 6,006.62 mi (9,666.72 km) |
| Orbassano to Orange (Texas) | 5,278.88 mi (8,495.54 km) |
| Orbassano to Orange City (Florida) | 4,782.39 mi (7,696.51 km) |
| Orbassano to Orangeburg (South Carolina) | 4,560.42 mi (7,339.29 km) |
