| Forest Hills to Orangevale (California) | 1,876.94 mi (3,020.64 km) |
| Forest Hills to Orchards (Washington) | 1,824.19 mi (2,935.75 km) |
| Forest Hills to Orcutt (California) | 1,943.73 mi (3,128.13 km) |
| Forest Hills to Oregon (Ohio) | 138.51 mi (222.91 km) |
| Forest Hills to Oregon (Wisconsin) | 197.24 mi (317.43 km) |
| Forest Hills to Oregon City (Oregon) | 1,830.44 mi (2,945.80 km) |
| Forest Hills to Orem (Utah) | 1,360.42 mi (2,189.38 km) |
| Forest Hills to Orinda (California) | 1,945.64 mi (3,131.21 km) |
| Forest Hills to Orland Park (Illinois) | 152.99 mi (246.22 km) |
| Forest Hills to Orlando (Florida) | 1,026.89 mi (1,652.63 km) |
| Forest Hills to Ormond Beach (Florida) | 974.63 mi (1,568.51 km) |
| Forest Hills to Oro Valley (Arizona) | 1,563.51 mi (2,516.23 km) |
| Forest Hills to Oroville (California) | 1,875.15 mi (3,017.77 km) |
| Forest Hills to Oshkosh (Wisconsin) | 170.67 mi (274.67 km) |
| Forest Hills to Oskaloosa (Iowa) | 383.95 mi (617.91 km) |
