| Slough to Ansonia (Connecticut) | 3,376.97 mi (5,434.71 km) |
| Slough to Antelope (California) | 5,254.56 mi (8,456.40 km) |
| Slough to Anthem (Arizona) | 5,232.91 mi (8,421.56 km) |
| Slough to Antioch (California) | 5,310.04 mi (8,545.69 km) |
| Slough to Antioch (Illinois) | 3,919.23 mi (6,307.39 km) |
| Slough to Apache Junction (Arizona) | 5,238.20 mi (8,430.08 km) |
| Slough to Apex (North Carolina) | 3,867.35 mi (6,223.90 km) |
| Slough to Apollo Beach (Florida) | 4,401.48 mi (7,083.50 km) |
| Slough to Apopka (Florida) | 4,318.00 mi (6,949.15 km) |
| Slough to Apple Valley (California) | 5,364.76 mi (8,633.75 km) |
| Slough to Apple Valley (Minnesota) | 4,003.10 mi (6,442.37 km) |
| Slough to Appleton (Wisconsin) | 3,848.47 mi (6,193.51 km) |
| Slough to Arbutus (Maryland) | 3,616.69 mi (5,820.49 km) |
| Slough to Arcadia (California) | 5,414.31 mi (8,713.49 km) |
| Slough to Arcata (California) | 5,208.50 mi (8,382.28 km) |
