| Ionia to Chaudfontaine | 4,049.24 mi (6,516.63 km) |
| Ionia to Chaumont-Gistoux | 4,010.33 mi (6,454.00 km) |
| Ionia to Chimay | 4,018.19 mi (6,466.66 km) |
| Ionia to Ciney | 4,039.18 mi (6,500.43 km) |
| Ionia to Colfontaine | 3,988.03 mi (6,418.12 km) |
| Ionia to Courcelles | 4,006.15 mi (6,447.28 km) |
| Ionia to Court-Saint-Etienne | 4,007.26 mi (6,449.07 km) |
| Ionia to Couvin | 4,024.56 mi (6,476.90 km) |
| Ionia to Damme | 3,937.60 mi (6,336.95 km) |
| Ionia to De Haan | 3,927.39 mi (6,320.53 km) |
| Ionia to De Panne | 3,916.41 mi (6,302.86 km) |
| Ionia to De Pinte | 3,959.94 mi (6,372.91 km) |
| Ionia to Deerlijk | 3,953.71 mi (6,362.88 km) |
| Ionia to Deinze | 3,956.10 mi (6,366.72 km) |
| Ionia to Denderleeuw | 3,980.32 mi (6,405.70 km) |
