| Elmhurst to Oakley (California) | 1,796.31 mi (2,890.89 km) |
| Elmhurst to Oakton (Virginia) | 596.82 mi (960.49 km) |
| Elmhurst to Oakville (Missouri) | 269.31 mi (433.42 km) |
| Elmhurst to Oatfield (Oregon) | 1,735.45 mi (2,792.94 km) |
| Elmhurst to Ocala (Florida) | 936.61 mi (1,507.33 km) |
| Elmhurst to Ocean Acres (New Jersey) | 728.89 mi (1,173.03 km) |
| Elmhurst to Ocean City (New Jersey) | 722.41 mi (1,162.61 km) |
| Elmhurst to Ocean Pines (Maryland) | 717.18 mi (1,154.19 km) |
| Elmhurst to Ocean Pointe (Hawaii) | 4,241.27 mi (6,825.66 km) |
| Elmhurst to Ocean Springs (Mississippi) | 795.20 mi (1,279.75 km) |
| Elmhurst to Oceanside (California) | 1,706.10 mi (2,745.70 km) |
| Elmhurst to Oceanside (New York) | 747.26 mi (1,202.60 km) |
| Elmhurst to Ocoee (Florida) | 987.94 mi (1,589.94 km) |
| Elmhurst to Oconomowoc (Wisconsin) | 87.69 mi (141.13 km) |
| Elmhurst to Odenton (Maryland) | 622.15 mi (1,001.26 km) |
