| San Juan to Arcata (California) | 3,736.72 mi (6,013.67 km) |
| San Juan to Archdale (North Carolina) | 1,477.13 mi (2,377.21 km) |
| San Juan to Arden-Arcade (California) | 3,576.96 mi (5,756.55 km) |
| San Juan to Ardmore (Oklahoma) | 2,198.79 mi (3,538.61 km) |
| San Juan to Ardmore (Pennsylvania) | 1,590.95 mi (2,560.38 km) |
| San Juan to Arecibo (Puerto Rico) | 44.56 mi (71.72 km) |
| San Juan to Arkadelphia (Arkansas) | 1,985.20 mi (3,194.87 km) |
| San Juan to Arkansas City (Kansas) | 2,274.98 mi (3,661.23 km) |
| San Juan to Arlington (Tennessee) | 1,855.34 mi (2,985.88 km) |
| San Juan to Arlington (Texas) | 2,162.32 mi (3,479.91 km) |
| San Juan to Arlington (Virginia) | 1,562.40 mi (2,514.45 km) |
| San Juan to Arlington (Washington) | 3,728.55 mi (6,000.53 km) |
| San Juan to Arlington Heights (Illinois) | 2,082.68 mi (3,351.76 km) |
| San Juan to Arnold (Maryland) | 1,557.59 mi (2,506.71 km) |
| San Juan to Arnold (Missouri) | 2,012.15 mi (3,238.24 km) |
