| Ferentino to Odessa (Texas) | 5,912.26 mi (9,514.86 km) |
| Ferentino to Ogden (Utah) | 5,764.68 mi (9,277.36 km) |
| Ferentino to Oildale (California) | 6,313.01 mi (10,159.81 km) |
| Ferentino to Ojus (Florida) | 5,213.53 mi (8,390.36 km) |
| Ferentino to Okemos (Michigan) | 4,684.50 mi (7,538.97 km) |
| Ferentino to Oklahoma City (Oklahoma) | 5,541.18 mi (8,917.67 km) |
| Ferentino to Okmulgee (Oklahoma) | 5,473.70 mi (8,809.07 km) |
| Ferentino to Olathe (Kansas) | 5,270.63 mi (8,482.27 km) |
| Ferentino to Old Jamestown (Missouri) | 5,091.15 mi (8,193.42 km) |
| Ferentino to Oldsmar (Florida) | 5,239.57 mi (8,432.27 km) |
| Ferentino to Olean (New York) | 4,461.32 mi (7,179.80 km) |
| Ferentino to Olive Branch (Mississippi) | 5,249.25 mi (8,447.85 km) |
| Ferentino to Olivehurst (California) | 6,176.17 mi (9,939.58 km) |
| Ferentino to Olney (Maryland) | 4,517.42 mi (7,270.08 km) |
| Ferentino to Olympia (Washington) | 5,743.44 mi (9,243.17 km) |
