| Grimbergen to Ciampino | 741.72 mi (1,193.69 km) |
| Grimbergen to Cicciano | 842.09 mi (1,355.21 km) |
| Grimbergen to Cingoli | 666.56 mi (1,072.72 km) |
| Grimbergen to Cinisello Balsamo | 433.16 mi (697.10 km) |
| Grimbergen to Cinisi | 979.35 mi (1,576.11 km) |
| Grimbergen to Cirie | 420.66 mi (676.99 km) |
| Grimbergen to Ciro Marina | 1,008.93 mi (1,623.71 km) |
| Grimbergen to Cislago | 421.29 mi (678.00 km) |
| Grimbergen to Cisterna di Latina | 760.07 mi (1,223.22 km) |
| Grimbergen to Cisternino | 941.33 mi (1,514.93 km) |
| Grimbergen to Citta di Castello | 633.85 mi (1,020.09 km) |
| Grimbergen to Citta Sant'Angelo | 738.84 mi (1,189.05 km) |
| Grimbergen to Cittadella | 498.49 mi (802.25 km) |
| Grimbergen to Cittanova | 1,039.68 mi (1,673.20 km) |
| Grimbergen to Cividale del Friuli | 531.40 mi (855.21 km) |
