| Illkirch-Graffenstaden to Ciampino | 521.98 mi (840.04 km) |
| Illkirch-Graffenstaden to Cicciano | 619.80 mi (997.47 km) |
| Illkirch-Graffenstaden to Cingoli | 443.59 mi (713.90 km) |
| Illkirch-Graffenstaden to Cinisello Balsamo | 217.61 mi (350.21 km) |
| Illkirch-Graffenstaden to Cinisi | 764.86 mi (1,230.93 km) |
| Illkirch-Graffenstaden to Cirie | 227.71 mi (366.47 km) |
| Illkirch-Graffenstaden to Ciro Marina | 785.88 mi (1,264.75 km) |
| Illkirch-Graffenstaden to Cislago | 207.44 mi (333.85 km) |
| Illkirch-Graffenstaden to Cisterna di Latina | 540.10 mi (869.20 km) |
| Illkirch-Graffenstaden to Cisternino | 718.78 mi (1,156.76 km) |
| Illkirch-Graffenstaden to Citta di Castello | 411.93 mi (662.93 km) |
| Illkirch-Graffenstaden to Citta Sant'Angelo | 515.86 mi (830.20 km) |
| Illkirch-Graffenstaden to Cittadella | 275.85 mi (443.93 km) |
| Illkirch-Graffenstaden to Cittanova | 817.87 mi (1,316.23 km) |
| Illkirch-Graffenstaden to Cividale del Friuli | 315.81 mi (508.24 km) |
