| Halen to Oakley (California) | 5,499.74 mi (8,850.97 km) |
| Halen to Oakton (Virginia) | 3,902.22 mi (6,280.02 km) |
| Halen to Oakville (Missouri) | 4,431.76 mi (7,132.22 km) |
| Halen to Oatfield (Oregon) | 5,084.42 mi (8,182.59 km) |
| Halen to Ocala (Florida) | 4,568.36 mi (7,352.07 km) |
| Halen to Ocean Acres (New Jersey) | 3,741.45 mi (6,021.28 km) |
| Halen to Ocean City (New Jersey) | 3,775.76 mi (6,076.50 km) |
| Halen to Ocean Pines (Maryland) | 3,837.92 mi (6,176.53 km) |
| Halen to Ocean Pointe (Hawaii) | 7,339.54 mi (11,811.85 km) |
| Halen to Ocean Springs (Mississippi) | 4,777.02 mi (7,687.87 km) |
| Halen to Oceanside (California) | 5,650.63 mi (9,093.81 km) |
| Halen to Oceanside (New York) | 3,675.96 mi (5,915.89 km) |
| Halen to Ocoee (Florida) | 4,572.66 mi (7,358.98 km) |
| Halen to Oconomowoc (Wisconsin) | 4,138.05 mi (6,659.54 km) |
| Halen to Odenton (Maryland) | 3,869.62 mi (6,227.55 km) |
