| Ionia to Cavaillon | 4,276.29 mi (6,882.03 km) |
| Ionia to Cebazat | 4,121.60 mi (6,633.08 km) |
| Ionia to Cenon | 4,006.19 mi (6,447.34 km) |
| Ionia to Cergy | 3,966.10 mi (6,382.82 km) |
| Ionia to Cernay | 4,210.26 mi (6,775.76 km) |
| Ionia to Cesson | 4,003.58 mi (6,443.14 km) |
| Ionia to Cesson-Sevigne | 3,850.45 mi (6,196.69 km) |
| Ionia to Cestas | 4,003.86 mi (6,443.60 km) |
| Ionia to Chalette-sur-Loing | 4,028.39 mi (6,483.07 km) |
| Ionia to Challans | 3,881.50 mi (6,246.67 km) |
| Ionia to Chalon-sur-Saone | 4,157.30 mi (6,690.53 km) |
| Ionia to Chalons-en-Champagne | 4,058.76 mi (6,531.95 km) |
| Ionia to Chamalieres | 4,122.37 mi (6,634.32 km) |
| Ionia to Chambery | 4,245.39 mi (6,832.30 km) |
| Ionia to Chambly | 3,968.86 mi (6,387.26 km) |
