| Forest Hills to Odessa (Texas) | 1,196.52 mi (1,925.62 km) |
| Forest Hills to Ogden (Utah) | 1,357.21 mi (2,184.21 km) |
| Forest Hills to Oildale (California) | 1,856.11 mi (2,987.12 km) |
| Forest Hills to Ojus (Florida) | 1,212.60 mi (1,951.48 km) |
| Forest Hills to Okemos (Michigan) | 57.23 mi (92.11 km) |
| Forest Hills to Oklahoma City (Oklahoma) | 824.49 mi (1,326.89 km) |
| Forest Hills to Okmulgee (Oklahoma) | 756.43 mi (1,217.35 km) |
| Forest Hills to Olathe (Kansas) | 562.13 mi (904.67 km) |
| Forest Hills to Old Jamestown (Missouri) | 378.92 mi (609.81 km) |
| Forest Hills to Oldsmar (Florida) | 1,041.95 mi (1,676.85 km) |
| Forest Hills to Olean (New York) | 364.34 mi (586.35 km) |
| Forest Hills to Olive Branch (Mississippi) | 599.84 mi (965.35 km) |
| Forest Hills to Olivehurst (California) | 1,884.52 mi (3,032.84 km) |
| Forest Hills to Olney (Maryland) | 511.22 mi (822.72 km) |
| Forest Hills to Olympia (Washington) | 1,831.33 mi (2,947.24 km) |
