| Iona to Carpentras | 4,828.20 mi (7,770.24 km) |
| Iona to Carquefou | 4,464.95 mi (7,185.65 km) |
| Iona to Carqueiranne | 4,897.80 mi (7,882.24 km) |
| Iona to Carrieres-sous-Poissy | 4,597.45 mi (7,398.89 km) |
| Iona to Carrieres-sur-Seine | 4,609.10 mi (7,417.62 km) |
| Iona to Carros | 4,935.61 mi (7,943.09 km) |
| Iona to Carvin | 4,611.40 mi (7,421.32 km) |
| Iona to Castanet-Tolosan | 4,669.59 mi (7,514.98 km) |
| Iona to Castelginest | 4,663.09 mi (7,504.51 km) |
| Iona to Castelnau-le-Lez | 4,782.48 mi (7,696.66 km) |
| Iona to Castelnaudary | 4,695.35 mi (7,556.44 km) |
| Iona to Castelsarrasin | 4,641.00 mi (7,468.97 km) |
| Iona to Castres | 4,704.14 mi (7,570.58 km) |
| Iona to Caudebec-les-Elbeuf | 4,547.31 mi (7,318.19 km) |
| Iona to Caudry | 4,637.06 mi (7,462.63 km) |
