| Kampen to Oakley (California) | 5,436.54 mi (8,749.27 km) |
| Kampen to Oakton (Virginia) | 3,892.55 mi (6,264.45 km) |
| Kampen to Oakville (Missouri) | 4,406.39 mi (7,091.40 km) |
| Kampen to Oatfield (Oregon) | 5,013.87 mi (8,069.04 km) |
| Kampen to Ocala (Florida) | 4,567.95 mi (7,351.40 km) |
| Kampen to Ocean Acres (New Jersey) | 3,734.04 mi (6,009.36 km) |
| Kampen to Ocean City (New Jersey) | 3,768.83 mi (6,065.34 km) |
| Kampen to Ocean Pines (Maryland) | 3,831.91 mi (6,166.86 km) |
| Kampen to Ocean Pointe (Hawaii) | 7,242.50 mi (11,655.68 km) |
| Kampen to Ocean Springs (Mississippi) | 4,765.46 mi (7,669.27 km) |
| Kampen to Oceanside (California) | 5,597.20 mi (9,007.82 km) |
| Kampen to Oceanside (New York) | 3,667.67 mi (5,902.55 km) |
| Kampen to Ocoee (Florida) | 4,574.02 mi (7,361.17 km) |
| Kampen to Oconomowoc (Wisconsin) | 4,107.62 mi (6,610.58 km) |
| Kampen to Odenton (Maryland) | 3,860.40 mi (6,212.71 km) |
