| Irthlingborough to Bicaz | 1,244.37 mi (2,002.61 km) |
| Irthlingborough to Bistrita | 1,170.69 mi (1,884.04 km) |
| Irthlingborough to Blaj | 1,177.98 mi (1,895.78 km) |
| Irthlingborough to Bocsa | 1,116.77 mi (1,797.26 km) |
| Irthlingborough to Boldesti-Scaeni | 1,306.44 mi (2,102.50 km) |
| Irthlingborough to Bolintin Vale | 1,317.15 mi (2,119.74 km) |
| Irthlingborough to Borsa | 1,161.53 mi (1,869.31 km) |
| Irthlingborough to Botosani | 1,243.20 mi (2,000.73 km) |
| Irthlingborough to Brad | 1,133.16 mi (1,823.64 km) |
| Irthlingborough to Bragadiru | 1,329.01 mi (2,138.84 km) |
| Irthlingborough to Braila | 1,377.76 mi (2,217.30 km) |
| Irthlingborough to Brasov | 1,266.33 mi (2,037.96 km) |
| Irthlingborough to Breaza | 1,285.47 mi (2,068.76 km) |
| Irthlingborough to Bucharest | 1,331.94 mi (2,143.54 km) |
| Irthlingborough to Buftea | 1,320.37 mi (2,124.92 km) |
