| Walnut Creek to Altus (Oklahoma) | 1,282.63 mi (2,064.19 km) |
| Walnut Creek to Alum Rock (California) | 38.68 mi (62.25 km) |
| Walnut Creek to Alvin (Texas) | 1,639.92 mi (2,639.19 km) |
| Walnut Creek to Amarillo (Texas) | 1,134.79 mi (1,826.27 km) |
| Walnut Creek to Amelia (Ohio) | 2,032.60 mi (3,271.15 km) |
| Walnut Creek to American Canyon (California) | 22.54 mi (36.28 km) |
| Walnut Creek to American Fork (Utah) | 574.63 mi (924.78 km) |
| Walnut Creek to Americus (Georgia) | 2,162.96 mi (3,480.94 km) |
| Walnut Creek to Ames (Iowa) | 1,524.32 mi (2,453.16 km) |
| Walnut Creek to Amherst (Ohio) | 2,112.81 mi (3,400.24 km) |
| Walnut Creek to Ammon (Idaho) | 652.89 mi (1,050.73 km) |
| Walnut Creek to Amsterdam (New York) | 2,506.65 mi (4,034.06 km) |
| Walnut Creek to Anacortes (Washington) | 731.98 mi (1,178.00 km) |
| Walnut Creek to Anaheim (California) | 365.50 mi (588.22 km) |
| Walnut Creek to Anchorage (Alaska) | 1,983.39 mi (3,191.95 km) |
