| Kampen to Odessa (Texas) | 5,187.46 mi (8,348.41 km) |
| Kampen to Ogden (Utah) | 4,973.44 mi (8,003.97 km) |
| Kampen to Oildale (California) | 5,516.42 mi (8,877.82 km) |
| Kampen to Ojus (Florida) | 4,654.41 mi (7,490.55 km) |
| Kampen to Okemos (Michigan) | 3,979.60 mi (6,404.55 km) |
| Kampen to Oklahoma City (Oklahoma) | 4,821.35 mi (7,759.22 km) |
| Kampen to Okmulgee (Oklahoma) | 4,759.85 mi (7,660.24 km) |
| Kampen to Olathe (Kansas) | 4,545.27 mi (7,314.91 km) |
| Kampen to Old Jamestown (Missouri) | 4,385.14 mi (7,057.21 km) |
| Kampen to Oldsmar (Florida) | 4,647.16 mi (7,478.88 km) |
| Kampen to Olean (New York) | 3,786.01 mi (6,092.99 km) |
| Kampen to Olive Branch (Mississippi) | 4,568.26 mi (7,351.91 km) |
| Kampen to Olivehurst (California) | 5,367.51 mi (8,638.18 km) |
| Kampen to Olney (Maryland) | 3,871.34 mi (6,230.31 km) |
| Kampen to Olympia (Washington) | 4,923.56 mi (7,923.70 km) |
