| Silver Spring to Amelia | 4,453.43 mi (7,167.11 km) |
| Silver Spring to Anagni | 4,514.69 mi (7,265.69 km) |
| Silver Spring to Ancona | 4,463.69 mi (7,183.61 km) |
| Silver Spring to Andria | 4,671.74 mi (7,518.44 km) |
| Silver Spring to Angri | 4,613.60 mi (7,424.87 km) |
| Silver Spring to Anguillara Sabazia | 4,463.25 mi (7,182.91 km) |
| Silver Spring to Anzio | 4,501.80 mi (7,244.94 km) |
| Silver Spring to Anzola dell'Emilia | 4,331.79 mi (6,971.33 km) |
| Silver Spring to Aosta | 4,126.35 mi (6,640.73 km) |
| Silver Spring to Apricena | 4,613.47 mi (7,424.66 km) |
| Silver Spring to Aprilia | 4,497.91 mi (7,238.68 km) |
| Silver Spring to Aradeo | 4,793.18 mi (7,713.87 km) |
| Silver Spring to Aragona | 4,695.00 mi (7,555.88 km) |
| Silver Spring to Arco | 4,273.07 mi (6,876.84 km) |
| Silver Spring to Arcola | 4,290.02 mi (6,904.12 km) |
