| Sun Prairie to Baraboo (Wisconsin) | 32.07 mi (51.61 km) |
| Sun Prairie to Barberton (Ohio) | 418.93 mi (674.20 km) |
| Sun Prairie to Bardstown (Kentucky) | 420.45 mi (676.64 km) |
| Sun Prairie to Barrington (Illinois) | 90.79 mi (146.12 km) |
| Sun Prairie to Barstow (California) | 1,590.43 mi (2,559.55 km) |
| Sun Prairie to Bartlesville (Oklahoma) | 569.34 mi (916.26 km) |
| Sun Prairie to Bartlett (Illinois) | 98.18 mi (158.00 km) |
| Sun Prairie to Bartlett (Tennessee) | 550.09 mi (885.29 km) |
| Sun Prairie to Bartow (Florida) | 1,134.90 mi (1,826.44 km) |
| Sun Prairie to Batavia (Illinois) | 103.55 mi (166.65 km) |
| Sun Prairie to Batavia (New York) | 557.59 mi (897.36 km) |
| Sun Prairie to Batesville (Arkansas) | 527.75 mi (849.34 km) |
| Sun Prairie to Baton Rouge (Louisiana) | 886.43 mi (1,426.58 km) |
| Sun Prairie to Battle Creek (Michigan) | 212.26 mi (341.61 km) |
| Sun Prairie to Battle Ground (Washington) | 1,639.64 mi (2,638.74 km) |
