| Round Rock to Amelia | 5,719.82 mi (9,205.16 km) |
| Round Rock to Anagni | 5,783.22 mi (9,307.19 km) |
| Round Rock to Ancona | 5,721.96 mi (9,208.60 km) |
| Round Rock to Andria | 5,935.06 mi (9,551.56 km) |
| Round Rock to Angri | 5,883.47 mi (9,468.54 km) |
| Round Rock to Anguillara Sabazia | 5,732.22 mi (9,225.12 km) |
| Round Rock to Anzio | 5,772.90 mi (9,290.59 km) |
| Round Rock to Anzola dell'Emilia | 5,590.77 mi (8,997.47 km) |
| Round Rock to Aosta | 5,387.64 mi (8,670.56 km) |
| Round Rock to Apricena | 5,876.34 mi (9,457.05 km) |
| Round Rock to Aprilia | 5,768.34 mi (9,283.24 km) |
| Round Rock to Aradeo | 6,056.84 mi (9,747.54 km) |
| Round Rock to Aragona | 5,980.12 mi (9,624.07 km) |
| Round Rock to Arco | 5,525.05 mi (8,891.71 km) |
| Round Rock to Arcola | 5,554.29 mi (8,938.77 km) |
