| Iona to Butzbach | 4,853.51 mi (7,810.97 km) |
| Iona to Buxtehude | 4,830.99 mi (7,774.73 km) |
| Iona to Cadolzburg | 4,968.38 mi (7,995.83 km) |
| Iona to Calbe | 4,948.25 mi (7,963.44 km) |
| Iona to Calw | 4,894.01 mi (7,876.14 km) |
| Iona to Castrop-Rauxel | 4,774.68 mi (7,684.11 km) |
| Iona to Celle | 4,864.28 mi (7,828.30 km) |
| Iona to Cham | 5,049.22 mi (8,125.93 km) |
| Iona to Chemnitz | 5,020.11 mi (8,079.09 km) |
| Iona to Clausthal-Zellerfeld | 4,892.48 mi (7,873.69 km) |
| Iona to Cloppenburg | 4,778.54 mi (7,690.31 km) |
| Iona to Coburg | 4,953.43 mi (7,971.78 km) |
| Iona to Coesfeld | 4,760.64 mi (7,661.51 km) |
| Iona to Cologne | 4,771.79 mi (7,679.45 km) |
| Iona to Coswig | 5,039.69 mi (8,110.60 km) |
