| Big Spring to Bicaz | 6,070.89 mi (9,770.15 km) |
| Big Spring to Bistrita | 6,008.76 mi (9,670.17 km) |
| Big Spring to Blaj | 6,037.71 mi (9,716.75 km) |
| Big Spring to Bocsa | 6,002.92 mi (9,660.77 km) |
| Big Spring to Boldesti-Scaeni | 6,165.28 mi (9,922.06 km) |
| Big Spring to Bolintin Vale | 6,186.09 mi (9,955.56 km) |
| Big Spring to Borsa | 5,987.71 mi (9,636.28 km) |
| Big Spring to Botosani | 6,045.93 mi (9,729.98 km) |
| Big Spring to Brad | 6,002.58 mi (9,660.21 km) |
| Big Spring to Bragadiru | 6,197.23 mi (9,973.48 km) |
| Big Spring to Braila | 6,215.09 mi (10,002.23 km) |
| Big Spring to Brasov | 6,119.24 mi (9,847.96 km) |
| Big Spring to Breaza | 6,145.18 mi (9,889.71 km) |
| Big Spring to Bucharest | 6,198.34 mi (9,975.26 km) |
| Big Spring to Buftea | 6,186.20 mi (9,955.73 km) |
