| Twickenham to Amelia | 857.44 mi (1,379.91 km) |
| Twickenham to Anagni | 924.68 mi (1,488.13 km) |
| Twickenham to Ancona | 840.48 mi (1,352.63 km) |
| Twickenham to Andria | 1,058.42 mi (1,703.37 km) |
| Twickenham to Angri | 1,024.87 mi (1,649.37 km) |
| Twickenham to Anguillara Sabazia | 877.67 mi (1,412.48 km) |
| Twickenham to Anzio | 923.84 mi (1,486.78 km) |
| Twickenham to Anzola dell'Emilia | 713.83 mi (1,148.80 km) |
| Twickenham to Aosta | 526.98 mi (848.09 km) |
| Twickenham to Apricena | 1,000.09 mi (1,609.50 km) |
| Twickenham to Aprilia | 917.06 mi (1,475.86 km) |
| Twickenham to Aradeo | 1,178.48 mi (1,896.58 km) |
| Twickenham to Aragona | 1,185.65 mi (1,908.12 km) |
| Twickenham to Arco | 637.67 mi (1,026.23 km) |
| Twickenham to Arcola | 693.38 mi (1,115.89 km) |
