| Keene to Odessa (Texas) | 1,804.66 mi (2,904.32 km) |
| Keene to Ogden (Utah) | 2,018.54 mi (3,248.52 km) |
| Keene to Oildale (California) | 2,522.41 mi (4,059.42 km) |
| Keene to Ojus (Florida) | 1,255.17 mi (2,020.00 km) |
| Keene to Okemos (Michigan) | 613.54 mi (987.40 km) |
| Keene to Oklahoma City (Oklahoma) | 1,438.66 mi (2,315.30 km) |
| Keene to Okmulgee (Oklahoma) | 1,359.62 mi (2,188.09 km) |
| Keene to Olathe (Kansas) | 1,204.94 mi (1,939.17 km) |
| Keene to Old Jamestown (Missouri) | 979.10 mi (1,575.71 km) |
| Keene to Oldsmar (Florida) | 1,181.00 mi (1,900.63 km) |
| Keene to Olean (New York) | 317.93 mi (511.66 km) |
| Keene to Olive Branch (Mississippi) | 1,089.26 mi (1,752.99 km) |
| Keene to Olivehurst (California) | 2,545.03 mi (4,095.84 km) |
| Keene to Olney (Maryland) | 361.63 mi (581.98 km) |
| Keene to Olympia (Washington) | 2,444.87 mi (3,934.64 km) |
