| Irthlingborough to Cesky Tesin | 852.01 mi (1,371.18 km) |
| Irthlingborough to Cheb | 582.24 mi (937.02 km) |
| Irthlingborough to Chocen | 745.14 mi (1,199.18 km) |
| Irthlingborough to Chodov | 593.99 mi (955.94 km) |
| Irthlingborough to Chomutov | 617.39 mi (993.60 km) |
| Irthlingborough to Chotebor | 728.50 mi (1,172.41 km) |
| Irthlingborough to Chrudim | 728.33 mi (1,172.14 km) |
| Irthlingborough to Decin | 644.09 mi (1,036.57 km) |
| Irthlingborough to Dobris | 664.27 mi (1,069.04 km) |
| Irthlingborough to Domazlice | 621.89 mi (1,000.83 km) |
| Irthlingborough to Duchcov | 628.37 mi (1,011.26 km) |
| Irthlingborough to Dvur Kralove nad Labem | 718.70 mi (1,156.64 km) |
| Irthlingborough to Frenstat pod Radhostem | 839.19 mi (1,350.55 km) |
| Irthlingborough to Frydek-Mistek | 841.82 mi (1,354.77 km) |
| Irthlingborough to Frydlant nad Ostravici | 844.39 mi (1,358.91 km) |
