| Humacao to Arcata (California) | 3,759.63 mi (6,050.53 km) |
| Humacao to Archdale (North Carolina) | 1,499.96 mi (2,413.95 km) |
| Humacao to Arden-Arcade (California) | 3,599.67 mi (5,793.11 km) |
| Humacao to Ardmore (Oklahoma) | 2,221.58 mi (3,575.28 km) |
| Humacao to Ardmore (Pennsylvania) | 1,612.10 mi (2,594.42 km) |
| Humacao to Arecibo (Puerto Rico) | 63.64 mi (102.42 km) |
| Humacao to Arkadelphia (Arkansas) | 2,008.16 mi (3,231.82 km) |
| Humacao to Arkansas City (Kansas) | 2,298.07 mi (3,698.38 km) |
| Humacao to Arlington (Tennessee) | 1,878.52 mi (3,023.18 km) |
| Humacao to Arlington (Texas) | 2,184.87 mi (3,516.21 km) |
| Humacao to Arlington (Virginia) | 1,584.24 mi (2,549.58 km) |
| Humacao to Arlington (Washington) | 3,751.77 mi (6,037.90 km) |
| Humacao to Arlington Heights (Illinois) | 2,105.60 mi (3,388.63 km) |
| Humacao to Arnold (Maryland) | 1,579.25 mi (2,541.55 km) |
| Humacao to Arnold (Missouri) | 2,035.36 mi (3,275.60 km) |
