| Elmhurst to Orangevale (California) | 1,756.59 mi (2,826.97 km) |
| Elmhurst to Orchards (Washington) | 1,731.02 mi (2,785.81 km) |
| Elmhurst to Orcutt (California) | 1,812.87 mi (2,917.54 km) |
| Elmhurst to Oregon (Ohio) | 233.03 mi (375.03 km) |
| Elmhurst to Oregon (Wisconsin) | 102.40 mi (164.80 km) |
| Elmhurst to Oregon City (Oregon) | 1,735.76 mi (2,793.43 km) |
| Elmhurst to Orem (Utah) | 1,237.88 mi (1,992.18 km) |
| Elmhurst to Orinda (California) | 1,823.75 mi (2,935.04 km) |
| Elmhurst to Orland Park (Illinois) | 20.46 mi (32.92 km) |
| Elmhurst to Orlando (Florida) | 998.64 mi (1,607.15 km) |
| Elmhurst to Ormond Beach (Florida) | 950.75 mi (1,530.09 km) |
| Elmhurst to Oro Valley (Arizona) | 1,421.06 mi (2,286.97 km) |
| Elmhurst to Oroville (California) | 1,757.60 mi (2,828.58 km) |
| Elmhurst to Oshkosh (Wisconsin) | 150.14 mi (241.63 km) |
| Elmhurst to Oskaloosa (Iowa) | 246.26 mi (396.31 km) |
