| Gretz-Armainvilliers to Colchester | 232.17 mi (373.65 km) |
| Gretz-Armainvilliers to Coleford | 316.47 mi (509.31 km) |
| Gretz-Armainvilliers to Colne | 411.91 mi (662.91 km) |
| Gretz-Armainvilliers to Colwyn Bay | 420.39 mi (676.54 km) |
| Gretz-Armainvilliers to Congleton | 373.63 mi (601.31 km) |
| Gretz-Armainvilliers to Conisbrough | 369.58 mi (594.78 km) |
| Gretz-Armainvilliers to Connahs Quay | 398.67 mi (641.59 km) |
| Gretz-Armainvilliers to Consett | 464.73 mi (747.91 km) |
| Gretz-Armainvilliers to Conwy | 423.66 mi (681.81 km) |
| Gretz-Armainvilliers to Cookstown | 574.67 mi (924.85 km) |
| Gretz-Armainvilliers to Corby | 299.41 mi (481.86 km) |
| Gretz-Armainvilliers to Corfe Mullen | 254.17 mi (409.05 km) |
| Gretz-Armainvilliers to Corsham | 286.55 mi (461.16 km) |
| Gretz-Armainvilliers to Coseley | 337.19 mi (542.66 km) |
| Gretz-Armainvilliers to Cosham | 223.13 mi (359.10 km) |
