| Rolling Meadows to Orangeburg (South Carolina) | 709.58 mi (1,141.96 km) |
| Rolling Meadows to Orangevale (California) | 1,751.59 mi (2,818.92 km) |
| Rolling Meadows to Orchards (Washington) | 1,722.81 mi (2,772.60 km) |
| Rolling Meadows to Orcutt (California) | 1,809.74 mi (2,912.50 km) |
| Rolling Meadows to Oregon (Ohio) | 238.11 mi (383.20 km) |
| Rolling Meadows to Oregon (Wisconsin) | 91.00 mi (146.46 km) |
| Rolling Meadows to Oregon City (Oregon) | 1,727.69 mi (2,780.44 km) |
| Rolling Meadows to Orem (Utah) | 1,233.13 mi (1,984.54 km) |
| Rolling Meadows to Orinda (California) | 1,819.00 mi (2,927.40 km) |
| Rolling Meadows to Orland Park (Illinois) | 33.36 mi (53.68 km) |
| Rolling Meadows to Orlando (Florida) | 1,011.55 mi (1,627.93 km) |
| Rolling Meadows to Ormond Beach (Florida) | 963.62 mi (1,550.80 km) |
| Rolling Meadows to Oro Valley (Arizona) | 1,421.34 mi (2,287.42 km) |
| Rolling Meadows to Oroville (California) | 1,752.19 mi (2,819.87 km) |
| Rolling Meadows to Oshkosh (Wisconsin) | 137.29 mi (220.95 km) |
