| Twickenham to Portage (Michigan) | 3,848.51 mi (6,193.58 km) |
| Twickenham to Portage (Wisconsin) | 3,933.39 mi (6,330.18 km) |
| Twickenham to Portales (New Mexico) | 4,915.76 mi (7,911.15 km) |
| Twickenham to Porterville (California) | 5,346.42 mi (8,604.23 km) |
| Twickenham to Portland (Maine) | 3,177.92 mi (5,114.36 km) |
| Twickenham to Portland (Oregon) | 4,908.79 mi (7,899.93 km) |
| Twickenham to Portland (Tennessee) | 4,148.02 mi (6,675.60 km) |
| Twickenham to Portland (Texas) | 5,017.01 mi (8,074.10 km) |
| Twickenham to Portsmouth (New Hampshire) | 3,223.78 mi (5,188.17 km) |
| Twickenham to Portsmouth (Ohio) | 3,903.10 mi (6,281.43 km) |
| Twickenham to Portsmouth (Virginia) | 3,722.70 mi (5,991.11 km) |
| Twickenham to Post Falls (Idaho) | 4,628.56 mi (7,448.95 km) |
| Twickenham to Potomac (Maryland) | 3,658.97 mi (5,888.55 km) |
| Twickenham to Potomac Park (California) | 5,384.38 mi (8,665.32 km) |
| Twickenham to Pottstown (Pennsylvania) | 3,540.89 mi (5,698.51 km) |
