| Gourock to Bonita (California) | 5,140.06 mi (8,272.13 km) |
| Gourock to Bonita Springs (Florida) | 4,232.08 mi (6,810.87 km) |
| Gourock to Bonney Lake (Washington) | 4,446.01 mi (7,155.15 km) |
| Gourock to Boone (Iowa) | 3,856.64 mi (6,206.67 km) |
| Gourock to Boone (North Carolina) | 3,709.06 mi (5,969.16 km) |
| Gourock to Borger (Texas) | 4,454.87 mi (7,169.43 km) |
| Gourock to Bossier City (Louisiana) | 4,348.61 mi (6,998.41 km) |
| Gourock to Boston (Massachusetts) | 3,010.84 mi (4,845.48 km) |
| Gourock to Bostonia (California) | 5,128.56 mi (8,253.61 km) |
| Gourock to Bothell (Washington) | 4,412.67 mi (7,101.50 km) |
| Gourock to Bothell East (Washington) | 4,410.26 mi (7,097.63 km) |
| Gourock to Bothell West (Washington) | 4,411.74 mi (7,100.00 km) |
| Gourock to Boulder (Colorado) | 4,347.37 mi (6,996.42 km) |
| Gourock to Boulder City (Nevada) | 4,890.69 mi (7,870.81 km) |
| Gourock to Bound Brook (New Jersey) | 3,224.20 mi (5,188.85 km) |
