| Frauenfeld to Bicaz | 806.13 mi (1,297.34 km) |
| Frauenfeld to Bistrita | 729.72 mi (1,174.37 km) |
| Frauenfeld to Blaj | 714.50 mi (1,149.88 km) |
| Frauenfeld to Bocsa | 627.15 mi (1,009.30 km) |
| Frauenfeld to Boldesti-Scaeni | 834.35 mi (1,342.75 km) |
| Frauenfeld to Bolintin Vale | 835.15 mi (1,344.05 km) |
| Frauenfeld to Borsa | 733.13 mi (1,179.86 km) |
| Frauenfeld to Botosani | 825.39 mi (1,328.33 km) |
| Frauenfeld to Brad | 662.85 mi (1,066.76 km) |
| Frauenfeld to Bragadiru | 847.08 mi (1,363.25 km) |
| Frauenfeld to Braila | 919.04 mi (1,479.05 km) |
| Frauenfeld to Brasov | 802.45 mi (1,291.41 km) |
| Frauenfeld to Breaza | 813.94 mi (1,309.92 km) |
| Frauenfeld to Bucharest | 851.51 mi (1,370.37 km) |
| Frauenfeld to Buftea | 841.08 mi (1,353.59 km) |
