| San Gwann to Black Forest (Colorado) | 5,968.00 mi (9,604.57 km) |
| San Gwann to Blackfoot (Idaho) | 6,030.15 mi (9,704.59 km) |
| San Gwann to Blackhawk (California) | 6,629.44 mi (10,669.06 km) |
| San Gwann to Blacksburg (Virginia) | 5,013.49 mi (8,068.43 km) |
| San Gwann to Blackwells Mills (New Jersey) | 4,629.55 mi (7,450.55 km) |
| San Gwann to Blaine (Minnesota) | 5,248.86 mi (8,447.22 km) |
| San Gwann to Bloomingdale (Florida) | 5,460.79 mi (8,788.29 km) |
| San Gwann to Bloomingdale (Illinois) | 5,173.11 mi (8,325.31 km) |
| San Gwann to Bloomington (California) | 6,692.45 mi (10,770.45 km) |
| San Gwann to Bloomington (Illinois) | 5,269.44 mi (8,480.35 km) |
| San Gwann to Bloomington (Indiana) | 5,215.94 mi (8,394.24 km) |
| San Gwann to Bloomington (Minnesota) | 5,267.25 mi (8,476.82 km) |
| San Gwann to Bloomsburg (Pennsylvania) | 4,697.38 mi (7,559.71 km) |
| San Gwann to Blue Ash (Ohio) | 5,117.80 mi (8,236.30 km) |
| San Gwann to Blue Island (Illinois) | 5,167.42 mi (8,316.15 km) |
