| Irmo to Butzbach | 4,443.23 mi (7,150.69 km) |
| Irmo to Buxtehude | 4,402.23 mi (7,084.71 km) |
| Irmo to Cadolzburg | 4,560.56 mi (7,339.52 km) |
| Irmo to Calbe | 4,525.39 mi (7,282.92 km) |
| Irmo to Calw | 4,493.79 mi (7,232.06 km) |
| Irmo to Castrop-Rauxel | 4,359.70 mi (7,016.27 km) |
| Irmo to Celle | 4,439.70 mi (7,145.01 km) |
| Irmo to Cham | 4,639.91 mi (7,467.21 km) |
| Irmo to Chemnitz | 4,601.45 mi (7,405.31 km) |
| Irmo to Clausthal-Zellerfeld | 4,472.12 mi (7,197.18 km) |
| Irmo to Cloppenburg | 4,355.21 mi (7,009.03 km) |
| Irmo to Coburg | 4,540.81 mi (7,307.73 km) |
| Irmo to Coesfeld | 4,343.52 mi (6,990.23 km) |
| Irmo to Cologne | 4,360.89 mi (7,018.17 km) |
| Irmo to Coswig | 4,618.41 mi (7,432.62 km) |
