| Watertown to Arcore | 3,968.46 mi (6,386.62 km) |
| Watertown to Ardea | 4,256.27 mi (6,849.81 km) |
| Watertown to Arenzano | 3,986.91 mi (6,416.31 km) |
| Watertown to Arese | 3,961.19 mi (6,374.92 km) |
| Watertown to Arezzo | 4,155.73 mi (6,688.00 km) |
| Watertown to Argelato | 4,091.27 mi (6,584.27 km) |
| Watertown to Argenta | 4,109.71 mi (6,613.93 km) |
| Watertown to Ariano Irpino | 4,381.78 mi (7,051.80 km) |
| Watertown to Ariccia | 4,257.22 mi (6,851.34 km) |
| Watertown to Arluno | 3,957.50 mi (6,368.98 km) |
| Watertown to Arona | 3,932.85 mi (6,329.32 km) |
| Watertown to Artena | 4,267.10 mi (6,867.23 km) |
| Watertown to Arzachena | 4,141.96 mi (6,665.84 km) |
| Watertown to Arzano | 4,356.90 mi (7,011.76 km) |
| Watertown to Arzignano | 4,055.28 mi (6,526.34 km) |