| Walnut Creek to Blue Island (Illinois) | 1,830.46 mi (2,945.85 km) |
| Walnut Creek to Blue Springs (Missouri) | 1,498.51 mi (2,411.62 km) |
| Walnut Creek to Bluffdale (Utah) | 569.02 mi (915.75 km) |
| Walnut Creek to Bluffton (Indiana) | 1,965.78 mi (3,163.61 km) |
| Walnut Creek to Bluffton (South Carolina) | 2,338.86 mi (3,764.04 km) |
| Walnut Creek to Blythe (California) | 510.16 mi (821.02 km) |
| Walnut Creek to Blytheville (Arkansas) | 1,771.59 mi (2,851.09 km) |
| Walnut Creek to Boca Raton (Florida) | 2,555.27 mi (4,112.31 km) |
| Walnut Creek to Boerne (Texas) | 1,445.43 mi (2,326.20 km) |
| Walnut Creek to Bogalusa (Louisiana) | 1,890.12 mi (3,041.86 km) |
| Walnut Creek to Boiling Springs (South Carolina) | 2,217.53 mi (3,568.77 km) |
| Walnut Creek to Boise (Idaho) | 497.16 mi (800.11 km) |
| Walnut Creek to Bolingbrook (Illinois) | 1,808.65 mi (2,910.73 km) |
| Walnut Creek to Bolivar (Missouri) | 1,557.54 mi (2,506.62 km) |
| Walnut Creek to Bon Air (Virginia) | 2,407.17 mi (3,873.96 km) |
