| Le Grand-Saconnex to Bicaz | 947.32 mi (1,524.57 km) |
| Le Grand-Saconnex to Bistrita | 871.57 mi (1,402.65 km) |
| Le Grand-Saconnex to Blaj | 849.28 mi (1,366.79 km) |
| Le Grand-Saconnex to Bocsa | 752.21 mi (1,210.57 km) |
| Le Grand-Saconnex to Boldesti-Scaeni | 963.14 mi (1,550.03 km) |
| Le Grand-Saconnex to Bolintin Vale | 959.29 mi (1,543.82 km) |
| Le Grand-Saconnex to Borsa | 878.21 mi (1,413.34 km) |
| Le Grand-Saconnex to Botosani | 971.38 mi (1,563.29 km) |
| Le Grand-Saconnex to Brad | 796.19 mi (1,281.34 km) |
| Le Grand-Saconnex to Bragadiru | 971.01 mi (1,562.70 km) |
| Le Grand-Saconnex to Braila | 1,051.75 mi (1,692.62 km) |
| Le Grand-Saconnex to Brasov | 935.23 mi (1,505.11 km) |
| Le Grand-Saconnex to Breaza | 943.38 mi (1,518.22 km) |
| Le Grand-Saconnex to Bucharest | 976.11 mi (1,570.89 km) |
| Le Grand-Saconnex to Buftea | 966.44 mi (1,555.33 km) |
