| Mercer Island to Amelia | 5,623.23 mi (9,049.71 km) |
| Mercer Island to Anagni | 5,690.44 mi (9,157.88 km) |
| Mercer Island to Ancona | 5,585.32 mi (8,988.71 km) |
| Mercer Island to Andria | 5,798.03 mi (9,331.02 km) |
| Mercer Island to Angri | 5,786.41 mi (9,312.32 km) |
| Mercer Island to Anguillara Sabazia | 5,647.69 mi (9,089.07 km) |
| Mercer Island to Anzio | 5,695.16 mi (9,165.48 km) |
| Mercer Island to Anzola dell'Emilia | 5,473.01 mi (8,807.96 km) |
| Mercer Island to Aosta | 5,305.19 mi (8,537.88 km) |
| Mercer Island to Apricena | 5,743.82 mi (9,243.78 km) |
| Mercer Island to Aprilia | 5,687.47 mi (9,153.10 km) |
| Mercer Island to Aradeo | 5,907.54 mi (9,507.27 km) |
| Mercer Island to Aragona | 5,966.06 mi (9,601.45 km) |
| Mercer Island to Arco | 5,383.52 mi (8,663.94 km) |
| Mercer Island to Arcola | 5,466.41 mi (8,797.34 km) |
