| Name | Country | 14C dates | |
|---|---|---|---|
|
781-800 / 936 show all | |||
| Campobasso | Italy | 14 | Show |
| Camenca | Moldova | 6 | Show |
| Camden | United Kingdom | 1 | Show |
| Cambridgeshire | United Kingdom | 113 | Show |
| Calvados | France | 114 | Show |
| Caltanissetta | Italy | 5 | Show |
| Calderdale | United Kingdom | 7 | Show |
| Calarasi | Romania | 26 | Show |
| Cádiz | Spain | 5 | Show |
| Cáceres | Spain | 6 | Show |
| Buzau | Romania | 4 | Show |
| Bursa | Turkey | 71 | Show |
| Burgos | Spain | 15 | Show |
| Burgenland | Austria | 17 | Show |
| Burgas | Bulgaria | 10 | Show |
| Burdur | Turkey | 29 | Show |
| Budapest | Hungary | 35 | Show |
| Buckinghamshire | United Kingdom | 19 | Show |
| Brussels | Belgium | 1 | Show |
| Brodsko-Posavska | Croatia | 4 | Show |
