| Ionia to Creutzwald | 4,139.47 mi (6,661.84 km) |
| Ionia to Croissy-sur-Seine | 3,974.66 mi (6,396.60 km) |
| Ionia to Croix | 3,951.98 mi (6,360.10 km) |
| Ionia to Crosne | 3,992.87 mi (6,425.91 km) |
| Ionia to Cuers | 4,342.39 mi (6,988.40 km) |
| Ionia to Cugnaux | 4,133.09 mi (6,651.56 km) |
| Ionia to Cusset | 4,124.98 mi (6,638.51 km) |
| Ionia to Dammarie-le-Lys | 4,006.81 mi (6,448.33 km) |
| Ionia to Dammartin-en-Goele | 3,989.72 mi (6,420.83 km) |
| Ionia to Dardilly | 4,189.70 mi (6,742.67 km) |
| Ionia to Darnetal | 3,916.39 mi (6,302.82 km) |
| Ionia to Dax | 4,025.04 mi (6,477.67 km) |
| Ionia to Decines-Charpieu | 4,199.40 mi (6,758.28 km) |
| Ionia to Denain | 3,973.27 mi (6,394.36 km) |
| Ionia to Deuil-la-Barre | 3,978.52 mi (6,402.81 km) |
