| Irthlingborough to Rury | 987.32 mi (1,588.94 km) |
| Irthlingborough to Rybnik | 841.33 mi (1,354.00 km) |
| Irthlingborough to Ryki | 956.87 mi (1,539.94 km) |
| Irthlingborough to Rypin | 838.97 mi (1,350.20 km) |
| Irthlingborough to Rzeszow | 988.02 mi (1,590.07 km) |
| Irthlingborough to Sandomierz | 964.57 mi (1,552.33 km) |
| Irthlingborough to Sanok | 1,007.93 mi (1,622.11 km) |
| Irthlingborough to Sedziszow Malopolski | 974.64 mi (1,568.54 km) |
| Irthlingborough to Sepolno Krajenskie | 758.34 mi (1,220.42 km) |
| Irthlingborough to Sidlice | 803.02 mi (1,292.33 km) |
| Irthlingborough to Siechnice | 764.35 mi (1,230.11 km) |
| Irthlingborough to Siedlce | 964.19 mi (1,551.72 km) |
| Irthlingborough to Siemianowice Slaskie | 855.72 mi (1,377.15 km) |
| Irthlingborough to Siemiatycze | 985.90 mi (1,586.66 km) |
| Irthlingborough to Sieradz | 823.45 mi (1,325.22 km) |
