| Riverdale to Ashtabula (Ohio) | 607.42 mi (977.55 km) |
| Riverdale to Ashwaubenon (Wisconsin) | 779.39 mi (1,254.31 km) |
| Riverdale to Aspen Hill (Maryland) | 558.46 mi (898.76 km) |
| Riverdale to Astoria (Oregon) | 2,235.45 mi (3,597.60 km) |
| Riverdale to Atascadero (California) | 2,057.68 mi (3,311.52 km) |
| Riverdale to Atascocita (Texas) | 679.80 mi (1,094.03 km) |
| Riverdale to Atchison (Kansas) | 724.50 mi (1,165.97 km) |
| Riverdale to Athens (Alabama) | 167.89 mi (270.20 km) |
| Riverdale to Athens (Georgia) | 65.52 mi (105.45 km) |
| Riverdale to Athens (Ohio) | 418.36 mi (673.29 km) |
| Riverdale to Athens (Tennessee) | 131.29 mi (211.29 km) |
| Riverdale to Athens (Texas) | 668.99 mi (1,076.64 km) |
| Riverdale to Atlanta (Georgia) | 13.76 mi (22.14 km) |
| Riverdale to Atlantic Beach (Florida) | 283.83 mi (456.78 km) |
| Riverdale to Atlantic City (New Jersey) | 683.08 mi (1,099.31 km) |
