| Ridge to Ashtabula (Ohio) | 415.67 mi (668.96 km) |
| Ridge to Ashwaubenon (Wisconsin) | 809.35 mi (1,302.52 km) |
| Ridge to Aspen Hill (Maryland) | 255.21 mi (410.71 km) |
| Ridge to Astoria (Oregon) | 2,531.95 mi (4,074.78 km) |
| Ridge to Atascadero (California) | 2,590.31 mi (4,168.71 km) |
| Ridge to Atascocita (Texas) | 1,459.11 mi (2,348.22 km) |
| Ridge to Atchison (Kansas) | 1,174.36 mi (1,889.95 km) |
| Ridge to Athens (Alabama) | 874.91 mi (1,408.03 km) |
| Ridge to Athens (Georgia) | 748.75 mi (1,204.99 km) |
| Ridge to Athens (Ohio) | 498.83 mi (802.80 km) |
| Ridge to Athens (Tennessee) | 738.73 mi (1,188.87 km) |
| Ridge to Athens (Texas) | 1,402.87 mi (2,257.70 km) |
| Ridge to Atlanta (Georgia) | 802.28 mi (1,291.14 km) |
| Ridge to Atlantic Beach (Florida) | 872.39 mi (1,403.98 km) |
| Ridge to Atlantic City (New Jersey) | 134.23 mi (216.02 km) |
