| Irthlingborough to Butzbach | 420.40 mi (676.56 km) |
| Irthlingborough to Buxtehude | 436.81 mi (702.98 km) |
| Irthlingborough to Cadolzburg | 537.64 mi (865.24 km) |
| Irthlingborough to Calbe | 525.86 mi (846.29 km) |
| Irthlingborough to Calw | 479.80 mi (772.16 km) |
| Irthlingborough to Castrop-Rauxel | 341.86 mi (550.17 km) |
| Irthlingborough to Celle | 450.23 mi (724.58 km) |
| Irthlingborough to Cham | 616.98 mi (992.94 km) |
| Irthlingborough to Chemnitz | 589.12 mi (948.10 km) |
| Irthlingborough to Clausthal-Zellerfeld | 466.04 mi (750.01 km) |
| Irthlingborough to Cloppenburg | 365.28 mi (587.87 km) |
| Irthlingborough to Coburg | 519.49 mi (836.04 km) |
| Irthlingborough to Coesfeld | 330.81 mi (532.39 km) |
| Irthlingborough to Cologne | 338.21 mi (544.30 km) |
| Irthlingborough to Coswig | 612.11 mi (985.10 km) |
