| Santarem to Archdale (North Carolina) | 3,806.12 mi (6,125.35 km) |
| Santarem to Arden-Arcade (California) | 5,578.14 mi (8,977.16 km) |
| Santarem to Ardmore (Oklahoma) | 4,705.58 mi (7,572.90 km) |
| Santarem to Ardmore (Pennsylvania) | 3,458.01 mi (5,565.13 km) |
| Santarem to Arecibo (Puerto Rico) | 3,725.33 mi (5,995.35 km) |
| Santarem to Arkadelphia (Arkansas) | 4,513.19 mi (7,263.28 km) |
| Santarem to Arkansas City (Kansas) | 4,593.41 mi (7,392.38 km) |
| Santarem to Arlington (Tennessee) | 4,307.12 mi (6,931.63 km) |
| Santarem to Arlington (Texas) | 4,762.85 mi (7,665.06 km) |
| Santarem to Arlington (Virginia) | 3,576.95 mi (5,756.54 km) |
| Santarem to Arlington (Washington) | 5,153.99 mi (8,294.55 km) |
| Santarem to Arlington Heights (Illinois) | 4,003.55 mi (6,443.09 km) |
| Santarem to Arnold (Maryland) | 3,542.65 mi (5,701.34 km) |
| Santarem to Arnold (Missouri) | 4,232.59 mi (6,811.69 km) |
| Santarem to Arroyo Grande (California) | 5,711.80 mi (9,192.25 km) |
