| Twickenham to Orangevale (California) | 5,262.40 mi (8,469.01 km) |
| Twickenham to Orchards (Washington) | 4,896.86 mi (7,880.73 km) |
| Twickenham to Orcutt (California) | 5,458.47 mi (8,784.56 km) |
| Twickenham to Oregon (Ohio) | 3,789.65 mi (6,098.86 km) |
| Twickenham to Oregon (Wisconsin) | 3,959.42 mi (6,372.06 km) |
| Twickenham to Oregon City (Oregon) | 4,918.44 mi (7,915.47 km) |
| Twickenham to Orem (Utah) | 4,875.88 mi (7,846.97 km) |
| Twickenham to Orinda (California) | 5,337.51 mi (8,589.89 km) |
| Twickenham to Orland Park (Illinois) | 3,962.88 mi (6,377.63 km) |
| Twickenham to Orlando (Florida) | 4,332.43 mi (6,972.37 km) |
| Twickenham to Ormond Beach (Florida) | 4,281.72 mi (6,890.76 km) |
| Twickenham to Oro Valley (Arizona) | 5,283.99 mi (8,503.76 km) |
| Twickenham to Oroville (California) | 5,225.68 mi (8,409.92 km) |
| Twickenham to Oshkosh (Wisconsin) | 3,877.95 mi (6,240.96 km) |
| Twickenham to Oskaloosa (Iowa) | 4,158.12 mi (6,691.85 km) |
