| Calne to Odessa (Texas) | 4,937.41 mi (7,945.99 km) |
| Calne to Ogden (Utah) | 4,780.55 mi (7,693.56 km) |
| Calne to Oildale (California) | 5,330.20 mi (8,578.12 km) |
| Calne to Ojus (Florida) | 4,338.24 mi (6,981.72 km) |
| Calne to Okemos (Michigan) | 3,716.02 mi (5,980.36 km) |
| Calne to Oklahoma City (Oklahoma) | 4,567.79 mi (7,351.14 km) |
| Calne to Okmulgee (Oklahoma) | 4,502.65 mi (7,246.32 km) |
| Calne to Olathe (Kansas) | 4,294.78 mi (6,911.78 km) |
| Calne to Old Jamestown (Missouri) | 4,122.90 mi (6,635.16 km) |
| Calne to Oldsmar (Florida) | 4,339.75 mi (6,984.15 km) |
| Calne to Olean (New York) | 3,506.91 mi (5,643.83 km) |
| Calne to Olive Branch (Mississippi) | 4,293.51 mi (6,909.74 km) |
| Calne to Olivehurst (California) | 5,200.64 mi (8,369.62 km) |
| Calne to Olney (Maryland) | 3,579.98 mi (5,761.42 km) |
| Calne to Olympia (Washington) | 4,785.25 mi (7,701.11 km) |
