| Twickenham to Oswego (Illinois) | 3,977.47 mi (6,401.12 km) |
| Twickenham to Oswego (New York) | 3,437.78 mi (5,532.57 km) |
| Twickenham to Otsego (Minnesota) | 4,004.99 mi (6,445.42 km) |
| Twickenham to Ottawa (Illinois) | 4,011.42 mi (6,455.76 km) |
| Twickenham to Ottawa (Kansas) | 4,387.97 mi (7,061.75 km) |
| Twickenham to Ottumwa (Iowa) | 4,162.97 mi (6,699.65 km) |
| Twickenham to Overland (Missouri) | 4,197.21 mi (6,754.76 km) |
| Twickenham to Overland Park (Kansas) | 4,352.09 mi (7,004.01 km) |
| Twickenham to Overlea (Maryland) | 3,615.69 mi (5,818.89 km) |
| Twickenham to Oviedo (Florida) | 4,317.13 mi (6,947.75 km) |
| Twickenham to Owasso (Oklahoma) | 4,525.34 mi (7,282.83 km) |
| Twickenham to Owatonna (Minnesota) | 4,046.34 mi (6,511.96 km) |
| Twickenham to Owensboro (Kentucky) | 4,115.63 mi (6,623.46 km) |
| Twickenham to Owings Mills (Maryland) | 3,624.75 mi (5,833.48 km) |
| Twickenham to Owosso (Michigan) | 3,758.13 mi (6,048.13 km) |
