| Gourock to Buenaventura Lakes (Florida) | 4,108.93 mi (6,612.69 km) |
| Gourock to Buffalo (Minnesota) | 3,699.10 mi (5,953.12 km) |
| Gourock to Buffalo (New York) | 3,275.00 mi (5,270.60 km) |
| Gourock to Buffalo Grove (Illinois) | 3,642.33 mi (5,861.77 km) |
| Gourock to Buford (Georgia) | 3,904.27 mi (6,283.31 km) |
| Gourock to Bull Run (Virginia) | 3,423.82 mi (5,510.11 km) |
| Gourock to Bullhead City (Arizona) | 4,920.14 mi (7,918.20 km) |
| Gourock to Burbank (California) | 5,091.31 mi (8,193.67 km) |
| Gourock to Burbank (Illinois) | 3,656.36 mi (5,884.35 km) |
| Gourock to Burien (Washington) | 4,433.26 mi (7,134.64 km) |
| Gourock to Burkburnett (Texas) | 4,441.62 mi (7,148.10 km) |
| Gourock to Burke (Virginia) | 3,414.23 mi (5,494.68 km) |
| Gourock to Burke Centre (Virginia) | 3,414.98 mi (5,495.88 km) |
| Gourock to Burleson (Texas) | 4,482.08 mi (7,213.22 km) |
| Gourock to Burley (Idaho) | 4,476.05 mi (7,203.51 km) |
