| Rome to Oakley (California) | 6,209.64 mi (9,993.46 km) |
| Rome to Oakton (Virginia) | 4,496.40 mi (7,236.26 km) |
| Rome to Oakville (Missouri) | 5,070.09 mi (8,159.52 km) |
| Rome to Oatfield (Oregon) | 5,799.77 mi (9,333.82 km) |
| Rome to Ocala (Florida) | 5,123.62 mi (8,245.68 km) |
| Rome to Ocean Acres (New Jersey) | 4,329.54 mi (6,967.72 km) |
| Rome to Ocean City (New Jersey) | 4,361.91 mi (7,019.81 km) |
| Rome to Ocean Pines (Maryland) | 4,420.33 mi (7,113.83 km) |
| Rome to Ocean Pointe (Hawaii) | 8,027.61 mi (12,919.19 km) |
| Rome to Ocean Springs (Mississippi) | 5,370.58 mi (8,643.12 km) |
| Rome to Oceanside (California) | 6,347.68 mi (10,215.61 km) |
| Rome to Oceanside (New York) | 4,267.61 mi (6,868.06 km) |
| Rome to Ocoee (Florida) | 5,121.07 mi (8,241.57 km) |
| Rome to Oconomowoc (Wisconsin) | 4,791.25 mi (7,710.77 km) |
| Rome to Odenton (Maryland) | 4,462.58 mi (7,181.83 km) |
