| Kampen to Orangevale (California) | 5,382.08 mi (8,661.62 km) |
| Kampen to Orchards (Washington) | 4,995.78 mi (8,039.93 km) |
| Kampen to Orcutt (California) | 5,589.32 mi (8,995.14 km) |
| Kampen to Oregon (Ohio) | 3,994.01 mi (6,427.74 km) |
| Kampen to Oregon (Wisconsin) | 4,147.90 mi (6,675.40 km) |
| Kampen to Oregon City (Oregon) | 5,018.06 mi (8,075.79 km) |
| Kampen to Orem (Utah) | 5,018.50 mi (8,076.50 km) |
| Kampen to Orinda (California) | 5,456.20 mi (8,780.90 km) |
| Kampen to Orland Park (Illinois) | 4,158.41 mi (6,692.31 km) |
| Kampen to Orlando (Florida) | 4,571.39 mi (7,356.95 km) |
| Kampen to Ormond Beach (Florida) | 4,519.57 mi (7,273.55 km) |
| Kampen to Oro Valley (Arizona) | 5,447.72 mi (8,767.26 km) |
| Kampen to Oroville (California) | 5,342.44 mi (8,597.83 km) |
| Kampen to Oshkosh (Wisconsin) | 4,064.84 mi (6,541.73 km) |
| Kampen to Oskaloosa (Iowa) | 4,344.38 mi (6,991.60 km) |
