| Kamen to Olympia Heights (Florida) | 4,762.19 mi (7,664.00 km) |
| Kamen to Omaha (Nebraska) | 4,563.14 mi (7,343.66 km) |
| Kamen to On Top of the World Designated Place (Florida) | 4,668.36 mi (7,513.00 km) |
| Kamen to Onalaska (Wisconsin) | 4,262.66 mi (6,860.08 km) |
| Kamen to Oneida (New York) | 3,730.41 mi (6,003.52 km) |
| Kamen to Oneonta (New York) | 3,735.21 mi (6,011.25 km) |
| Kamen to Ontario (California) | 5,656.94 mi (9,103.97 km) |
| Kamen to Ontario (Oregon) | 5,050.86 mi (8,128.57 km) |
| Kamen to Opa-locka (Florida) | 4,749.67 mi (7,643.85 km) |
| Kamen to Opelika (Alabama) | 4,610.31 mi (7,419.58 km) |
| Kamen to Opelousas (Louisiana) | 4,981.42 mi (8,016.83 km) |
| Kamen to Orange (California) | 5,677.24 mi (9,136.64 km) |
| Kamen to Orange (Texas) | 5,066.85 mi (8,154.31 km) |
| Kamen to Orange City (Florida) | 4,636.48 mi (7,461.69 km) |
| Kamen to Orangeburg (South Carolina) | 4,389.68 mi (7,064.51 km) |
