| Sun Prairie to Bonham (Texas) | 761.76 mi (1,225.93 km) |
| Sun Prairie to Bonita (California) | 1,669.52 mi (2,686.84 km) |
| Sun Prairie to Bonita Springs (Florida) | 1,235.81 mi (1,988.85 km) |
| Sun Prairie to Bonney Lake (Washington) | 1,615.13 mi (2,599.30 km) |
| Sun Prairie to Boone (Iowa) | 248.49 mi (399.90 km) |
| Sun Prairie to Boone (North Carolina) | 627.08 mi (1,009.19 km) |
| Sun Prairie to Borger (Texas) | 830.23 mi (1,336.12 km) |
| Sun Prairie to Bossier City (Louisiana) | 774.88 mi (1,247.04 km) |
| Sun Prairie to Boston (Massachusetts) | 921.03 mi (1,482.26 km) |
| Sun Prairie to Bostonia (California) | 1,659.68 mi (2,671.00 km) |
| Sun Prairie to Bothell (Washington) | 1,615.54 mi (2,599.96 km) |
| Sun Prairie to Bothell East (Washington) | 1,614.57 mi (2,598.40 km) |
| Sun Prairie to Bothell West (Washington) | 1,617.16 mi (2,602.56 km) |
| Sun Prairie to Boulder (Colorado) | 854.26 mi (1,374.80 km) |
| Sun Prairie to Boulder City (Nevada) | 1,453.23 mi (2,338.75 km) |
