| San Luis Obispo to Bicaz | 6,395.97 mi (10,293.33 km) |
| San Luis Obispo to Bistrita | 6,348.03 mi (10,216.17 km) |
| San Luis Obispo to Blaj | 6,393.40 mi (10,289.18 km) |
| San Luis Obispo to Bocsa | 6,390.08 mi (10,283.84 km) |
| San Luis Obispo to Boldesti-Scaeni | 6,510.79 mi (10,478.11 km) |
| San Luis Obispo to Bolintin Vale | 6,540.68 mi (10,526.21 km) |
| San Luis Obispo to Borsa | 6,319.66 mi (10,170.52 km) |
| San Luis Obispo to Botosani | 6,356.16 mi (10,229.25 km) |
| San Luis Obispo to Brad | 6,370.34 mi (10,252.07 km) |
| San Luis Obispo to Bragadiru | 6,550.25 mi (10,541.61 km) |
| San Luis Obispo to Braila | 6,537.08 mi (10,520.41 km) |
| San Luis Obispo to Brasov | 6,462.48 mi (10,400.35 km) |
| San Luis Obispo to Breaza | 6,493.00 mi (10,449.48 km) |
| San Luis Obispo to Bucharest | 6,549.30 mi (10,540.09 km) |
| San Luis Obispo to Buftea | 6,537.41 mi (10,520.94 km) |
