| Walnut Creek to Abilene (Texas) | 1,310.82 mi (2,109.56 km) |
| Walnut Creek to Accokeek (Maryland) | 2,417.98 mi (3,891.36 km) |
| Walnut Creek to Acworth (Georgia) | 2,092.14 mi (3,366.98 km) |
| Walnut Creek to Ada (Oklahoma) | 1,424.21 mi (2,292.04 km) |
| Walnut Creek to Addison (Illinois) | 1,812.64 mi (2,917.16 km) |
| Walnut Creek to Addison (Texas) | 1,454.63 mi (2,341.00 km) |
| Walnut Creek to Adelanto (California) | 343.96 mi (553.54 km) |
| Walnut Creek to Adelphi (Maryland) | 2,414.85 mi (3,886.33 km) |
| Walnut Creek to Adrian (Michigan) | 2,016.13 mi (3,244.64 km) |
| Walnut Creek to Affton (Missouri) | 1,713.34 mi (2,757.35 km) |
| Walnut Creek to Agoura Hills (California) | 317.37 mi (510.75 km) |
| Walnut Creek to Aguadilla (Puerto Rico) | 3,546.39 mi (5,707.37 km) |
| Walnut Creek to Aiken (South Carolina) | 2,263.90 mi (3,643.40 km) |
| Walnut Creek to Akron (Ohio) | 2,152.12 mi (3,463.51 km) |
| Walnut Creek to Alabaster (Alabama) | 1,993.70 mi (3,208.54 km) |
