| Iona to Coswig | 4,975.06 mi (8,006.59 km) |
| Iona to Cottbus | 5,053.90 mi (8,133.47 km) |
| Iona to Crailsheim | 4,941.94 mi (7,953.29 km) |
| Iona to Cremlingen | 4,895.40 mi (7,878.39 km) |
| Iona to Crimmitschau | 4,998.88 mi (8,044.93 km) |
| Iona to Cuxhaven | 4,783.75 mi (7,698.70 km) |
| Iona to Dachau | 5,021.08 mi (8,080.64 km) |
| Iona to Dallgow-Doberitz | 4,983.89 mi (8,020.80 km) |
| Iona to Damme | 4,791.10 mi (7,710.53 km) |
| Iona to Darmstadt | 4,865.27 mi (7,829.90 km) |
| Iona to Dassel | 4,866.39 mi (7,831.69 km) |
| Iona to Datteln | 4,773.65 mi (7,682.44 km) |
| Iona to Dautphe | 4,839.86 mi (7,789.00 km) |
| Iona to Deggendorf | 5,072.23 mi (8,162.97 km) |
| Iona to Delbruck | 4,821.47 mi (7,759.41 km) |
