| Helston to Accokeek (Maryland) | 3,487.70 mi (5,612.91 km) |
| Helston to Acworth (Georgia) | 4,019.33 mi (6,468.48 km) |
| Helston to Ada (Oklahoma) | 4,482.39 mi (7,213.71 km) |
| Helston to Addison (Illinois) | 3,803.07 mi (6,120.46 km) |
| Helston to Addison (Texas) | 4,577.79 mi (7,367.24 km) |
| Helston to Adelanto (California) | 5,274.67 mi (8,488.76 km) |
| Helston to Adelphi (Maryland) | 3,472.27 mi (5,588.08 km) |
| Helston to Adrian (Michigan) | 3,644.77 mi (5,865.69 km) |
| Helston to Affton (Missouri) | 4,047.41 mi (6,513.67 km) |
| Helston to Agoura Hills (California) | 5,344.05 mi (8,600.41 km) |
| Helston to Aguadilla (Puerto Rico) | 4,009.77 mi (6,453.10 km) |
| Helston to Aiken (South Carolina) | 3,917.80 mi (6,305.08 km) |
| Helston to Akron (Ohio) | 3,575.94 mi (5,754.92 km) |
| Helston to Alabaster (Alabama) | 4,149.60 mi (6,678.13 km) |
| Helston to Alachua (Florida) | 4,126.25 mi (6,640.56 km) |
