| Harenkarspel to Oakley (California) | 5,395.92 mi (8,683.89 km) |
| Harenkarspel to Oakton (Virginia) | 3,843.16 mi (6,184.97 km) |
| Harenkarspel to Oakville (Missouri) | 4,358.27 mi (7,013.96 km) |
| Harenkarspel to Oatfield (Oregon) | 4,975.57 mi (8,007.41 km) |
| Harenkarspel to Ocala (Florida) | 4,518.27 mi (7,271.45 km) |
| Harenkarspel to Ocean Acres (New Jersey) | 3,684.55 mi (5,929.71 km) |
| Harenkarspel to Ocean City (New Jersey) | 3,719.31 mi (5,985.66 km) |
| Harenkarspel to Ocean Pines (Maryland) | 3,782.36 mi (6,087.12 km) |
| Harenkarspel to Ocean Pointe (Hawaii) | 7,217.01 mi (11,614.66 km) |
| Harenkarspel to Ocean Springs (Mississippi) | 4,716.19 mi (7,589.98 km) |
| Harenkarspel to Oceanside (California) | 5,553.98 mi (8,938.26 km) |
| Harenkarspel to Oceanside (New York) | 3,618.21 mi (5,822.95 km) |
| Harenkarspel to Ocoee (Florida) | 4,524.32 mi (7,281.19 km) |
| Harenkarspel to Oconomowoc (Wisconsin) | 4,060.10 mi (6,534.09 km) |
| Harenkarspel to Odenton (Maryland) | 3,810.99 mi (6,133.19 km) |
