| Irthlingborough to Apatin | 996.02 mi (1,602.94 km) |
| Irthlingborough to Arandelovac | 1,113.52 mi (1,792.03 km) |
| Irthlingborough to Arilje | 1,119.14 mi (1,801.08 km) |
| Irthlingborough to Babusnica | 1,239.18 mi (1,994.27 km) |
| Irthlingborough to Bac | 1,017.15 mi (1,636.95 km) |
| Irthlingborough to Backa Palanka | 1,029.09 mi (1,656.16 km) |
| Irthlingborough to Backa Topola | 1,016.18 mi (1,635.38 km) |
| Irthlingborough to Backi Petrovac | 1,032.28 mi (1,661.29 km) |
| Irthlingborough to Bajina Basta | 1,088.84 mi (1,752.32 km) |
| Irthlingborough to Batajnica | 1,078.03 mi (1,734.93 km) |
| Irthlingborough to Batocina | 1,140.73 mi (1,835.83 km) |
| Irthlingborough to Becej | 1,039.90 mi (1,673.56 km) |
| Irthlingborough to Bela Crkva | 1,123.50 mi (1,808.10 km) |
| Irthlingborough to Bela Palanka | 1,228.57 mi (1,977.19 km) |
| Irthlingborough to Belgrade | 1,088.45 mi (1,751.69 km) |
