| Rome to Odessa (Texas) | 5,872.56 mi (9,450.96 km) |
| Rome to Ogden (Utah) | 5,728.76 mi (9,219.54 km) |
| Rome to Oildale (California) | 6,277.51 mi (10,102.68 km) |
| Rome to Ojus (Florida) | 5,171.44 mi (8,322.63 km) |
| Rome to Okemos (Michigan) | 4,644.41 mi (7,474.45 km) |
| Rome to Oklahoma City (Oklahoma) | 5,501.38 mi (8,853.61 km) |
| Rome to Okmulgee (Oklahoma) | 5,433.72 mi (8,744.72 km) |
| Rome to Olathe (Kansas) | 5,231.08 mi (8,418.60 km) |
| Rome to Old Jamestown (Missouri) | 5,051.01 mi (8,128.81 km) |
| Rome to Oldsmar (Florida) | 5,197.61 mi (8,364.75 km) |
| Rome to Olean (New York) | 4,420.55 mi (7,114.18 km) |
| Rome to Olive Branch (Mississippi) | 5,208.45 mi (8,382.19 km) |
| Rome to Olivehurst (California) | 6,142.19 mi (9,884.90 km) |
| Rome to Olney (Maryland) | 4,476.10 mi (7,203.59 km) |
| Rome to Olympia (Washington) | 5,711.78 mi (9,192.22 km) |
