| Rockville to Arcore | 4,217.92 mi (6,788.08 km) |
| Rockville to Ardea | 4,495.10 mi (7,234.16 km) |
| Rockville to Arenzano | 4,230.09 mi (6,807.67 km) |
| Rockville to Arese | 4,209.88 mi (6,775.15 km) |
| Rockville to Arezzo | 4,400.75 mi (7,082.32 km) |
| Rockville to Argelato | 4,339.85 mi (6,984.32 km) |
| Rockville to Argenta | 4,359.29 mi (7,015.60 km) |
| Rockville to Ariano Irpino | 4,623.82 mi (7,441.32 km) |
| Rockville to Ariccia | 4,496.68 mi (7,236.71 km) |
| Rockville to Arluno | 4,205.76 mi (6,768.51 km) |
| Rockville to Arona | 4,181.58 mi (6,729.60 km) |
| Rockville to Artena | 4,507.11 mi (7,253.50 km) |
| Rockville to Arzachena | 4,372.23 mi (7,036.42 km) |
| Rockville to Arzano | 4,596.36 mi (7,397.13 km) |
| Rockville to Arzignano | 4,307.63 mi (6,932.46 km) |
