| Irthlingborough to Brzesko | 931.04 mi (1,498.36 km) |
| Irthlingborough to Brzeszcze | 868.43 mi (1,397.60 km) |
| Irthlingborough to Brzeziny | 862.94 mi (1,388.77 km) |
| Irthlingborough to Brzozow | 996.05 mi (1,602.98 km) |
| Irthlingborough to Bukowno | 876.02 mi (1,409.82 km) |
| Irthlingborough to Busko-Zdroj | 925.03 mi (1,488.69 km) |
| Irthlingborough to Bydgoszcz | 778.71 mi (1,253.21 km) |
| Irthlingborough to Bystrzyca Klodzka | 756.70 mi (1,217.79 km) |
| Irthlingborough to Bytom | 851.30 mi (1,370.03 km) |
| Irthlingborough to Bytow | 757.39 mi (1,218.91 km) |
| Irthlingborough to Chelm | 1,029.52 mi (1,656.85 km) |
| Irthlingborough to Chelmek | 870.16 mi (1,400.38 km) |
| Irthlingborough to Chelmno | 795.35 mi (1,279.99 km) |
| Irthlingborough to Chelmza | 803.42 mi (1,292.98 km) |
| Irthlingborough to Chodziez | 733.66 mi (1,180.72 km) |
