| Cannock to Odessa (Texas) | 4,895.90 mi (7,879.19 km) |
| Cannock to Ogden (Utah) | 4,723.42 mi (7,601.60 km) |
| Cannock to Oildale (California) | 5,271.83 mi (8,484.20 km) |
| Cannock to Ojus (Florida) | 4,325.29 mi (6,960.88 km) |
| Cannock to Okemos (Michigan) | 3,678.54 mi (5,920.03 km) |
| Cannock to Oklahoma City (Oklahoma) | 4,527.26 mi (7,285.93 km) |
| Cannock to Okmulgee (Oklahoma) | 4,463.32 mi (7,183.02 km) |
| Cannock to Olathe (Kansas) | 4,253.12 mi (6,844.73 km) |
| Cannock to Old Jamestown (Missouri) | 4,085.14 mi (6,574.40 km) |
| Cannock to Oldsmar (Florida) | 4,321.68 mi (6,955.07 km) |
| Cannock to Olean (New York) | 3,475.25 mi (5,592.87 km) |
| Cannock to Olive Branch (Mississippi) | 4,260.47 mi (6,856.57 km) |
| Cannock to Olivehurst (California) | 5,138.14 mi (8,269.04 km) |
| Cannock to Olney (Maryland) | 3,553.65 mi (5,719.04 km) |
| Cannock to Olympia (Washington) | 4,717.25 mi (7,591.68 km) |
