| Trevignano to Odessa (Texas) | 5,690.36 mi (9,157.76 km) |
| Trevignano to Ogden (Utah) | 5,510.27 mi (8,867.92 km) |
| Trevignano to Oildale (California) | 6,055.82 mi (9,745.90 km) |
| Trevignano to Ojus (Florida) | 5,058.85 mi (8,141.43 km) |
| Trevignano to Okemos (Michigan) | 4,469.49 mi (7,192.94 km) |
| Trevignano to Oklahoma City (Oklahoma) | 5,321.03 mi (8,563.36 km) |
| Trevignano to Okmulgee (Oklahoma) | 5,256.10 mi (8,458.87 km) |
| Trevignano to Olathe (Kansas) | 5,047.64 mi (8,123.40 km) |
| Trevignano to Old Jamestown (Missouri) | 4,876.37 mi (7,847.76 km) |
| Trevignano to Oldsmar (Florida) | 5,071.86 mi (8,162.37 km) |
| Trevignano to Olean (New York) | 4,258.20 mi (6,852.91 km) |
| Trevignano to Olive Branch (Mississippi) | 5,045.42 mi (8,119.82 km) |
| Trevignano to Olivehurst (California) | 5,911.60 mi (9,513.79 km) |
| Trevignano to Olney (Maryland) | 4,326.30 mi (6,962.51 km) |
| Trevignano to Olympia (Washington) | 5,470.52 mi (8,803.96 km) |
