| Irthlingborough to Pyrzyce | 649.57 mi (1,045.37 km) |
| Irthlingborough to Pyskowice | 837.98 mi (1,348.60 km) |
| Irthlingborough to Raciborz | 827.98 mi (1,332.50 km) |
| Irthlingborough to Radom | 927.55 mi (1,492.75 km) |
| Irthlingborough to Radomsko | 860.86 mi (1,385.42 km) |
| Irthlingborough to Radzionkow Nowy | 849.24 mi (1,366.72 km) |
| Irthlingborough to Radzymin | 916.05 mi (1,474.25 km) |
| Irthlingborough to Radzyn Podlaski | 983.79 mi (1,583.26 km) |
| Irthlingborough to Rawa Mazowiecka | 884.53 mi (1,423.51 km) |
| Irthlingborough to Rawicz | 743.58 mi (1,196.68 km) |
| Irthlingborough to Reda | 793.27 mi (1,276.64 km) |
| Irthlingborough to Rogozno | 738.97 mi (1,189.26 km) |
| Irthlingborough to Ropczyce | 971.48 mi (1,563.45 km) |
| Irthlingborough to Ruda Slaska | 850.40 mi (1,368.59 km) |
| Irthlingborough to Rumia | 795.05 mi (1,279.51 km) |
