| Sumner to Bicaz | 5,657.83 mi (9,105.39 km) |
| Sumner to Bistrita | 5,615.91 mi (9,037.94 km) |
| Sumner to Blaj | 5,666.61 mi (9,119.53 km) |
| Sumner to Bocsa | 5,675.76 mi (9,134.25 km) |
| Sumner to Boldesti-Scaeni | 5,778.02 mi (9,298.82 km) |
| Sumner to Bolintin Vale | 5,810.74 mi (9,351.49 km) |
| Sumner to Borsa | 5,585.37 mi (8,988.78 km) |
| Sumner to Botosani | 5,613.45 mi (9,033.98 km) |
| Sumner to Brad | 5,648.67 mi (9,090.65 km) |
| Sumner to Bragadiru | 5,819.55 mi (9,365.65 km) |
| Sumner to Braila | 5,795.36 mi (9,326.74 km) |
| Sumner to Brasov | 5,729.74 mi (9,221.13 km) |
| Sumner to Breaza | 5,761.41 mi (9,272.09 km) |
| Sumner to Bucharest | 5,817.85 mi (9,362.93 km) |
| Sumner to Buftea | 5,806.26 mi (9,344.27 km) |
