| Williamstown to Arcore | 4,099.69 mi (6,597.82 km) |
| Williamstown to Ardea | 4,375.33 mi (7,041.42 km) |
| Williamstown to Arenzano | 4,110.97 mi (6,615.97 km) |
| Williamstown to Arese | 4,091.55 mi (6,584.71 km) |
| Williamstown to Arezzo | 4,281.82 mi (6,890.92 km) |
| Williamstown to Argelato | 4,221.45 mi (6,793.76 km) |
| Williamstown to Argenta | 4,241.03 mi (6,825.28 km) |
| Williamstown to Ariano Irpino | 4,504.41 mi (7,249.15 km) |
| Williamstown to Ariccia | 4,376.99 mi (7,044.09 km) |
| Williamstown to Arluno | 4,087.36 mi (6,577.97 km) |
| Williamstown to Arona | 4,063.26 mi (6,539.18 km) |
| Williamstown to Artena | 4,387.49 mi (7,060.99 km) |
| Williamstown to Arzachena | 4,251.55 mi (6,842.21 km) |
| Williamstown to Arzano | 4,476.64 mi (7,204.46 km) |
| Williamstown to Arzignano | 4,189.81 mi (6,742.85 km) |
