| San Marcos to Bonhill | 5,123.81 mi (8,245.98 km) |
| San Marcos to Bonnyrigg | 5,173.53 mi (8,325.99 km) |
| San Marcos to Bootle | 5,280.26 mi (8,497.76 km) |
| San Marcos to Borehamwood | 5,446.81 mi (8,765.80 km) |
| San Marcos to Boscombe | 5,436.16 mi (8,748.66 km) |
| San Marcos to Boston | 5,395.92 mi (8,683.89 km) |
| San Marcos to Bottesford | 5,349.64 mi (8,609.41 km) |
| San Marcos to Bourne | 5,393.78 mi (8,680.44 km) |
| San Marcos to Bournemouth | 5,435.03 mi (8,746.84 km) |
| San Marcos to Bournville | 5,358.37 mi (8,623.46 km) |
| San Marcos to Bovingdon | 5,435.26 mi (8,747.21 km) |
| San Marcos to Bowdon | 5,303.36 mi (8,534.93 km) |
| San Marcos to Boxley | 5,489.42 mi (8,834.36 km) |
| San Marcos to Brackley | 5,401.60 mi (8,693.04 km) |
| San Marcos to Bracknell | 5,441.99 mi (8,758.03 km) |
