| Greenlawn to Odessa (Texas) | 1,717.79 mi (2,764.52 km) |
| Greenlawn to Ogden (Utah) | 1,994.96 mi (3,210.58 km) |
| Greenlawn to Oildale (California) | 2,481.27 mi (3,993.21 km) |
| Greenlawn to Ojus (Florida) | 1,101.09 mi (1,772.04 km) |
| Greenlawn to Okemos (Michigan) | 582.84 mi (937.98 km) |
| Greenlawn to Oklahoma City (Oklahoma) | 1,358.86 mi (2,186.87 km) |
| Greenlawn to Okmulgee (Oklahoma) | 1,277.04 mi (2,055.19 km) |
| Greenlawn to Olathe (Kansas) | 1,143.00 mi (1,839.47 km) |
| Greenlawn to Old Jamestown (Missouri) | 906.86 mi (1,459.45 km) |
| Greenlawn to Oldsmar (Florida) | 1,030.39 mi (1,658.25 km) |
| Greenlawn to Olean (New York) | 275.47 mi (443.33 km) |
| Greenlawn to Olive Branch (Mississippi) | 984.60 mi (1,584.56 km) |
| Greenlawn to Olivehurst (California) | 2,522.24 mi (4,059.16 km) |
| Greenlawn to Olney (Maryland) | 229.22 mi (368.90 km) |
| Greenlawn to Olympia (Washington) | 2,458.29 mi (3,956.23 km) |
