From Holbeach Drove, Lincolnshire to all cities in Orkney starting with letter C
- Cairston, Lincolnshire
- Calfsound, Lincolnshire
- Cleat, Lincolnshire
- Clestrain, Lincolnshire
- Clouston, Lincolnshire
- Cornquoy, Lincolnshire
- Corrigall, Lincolnshire
- Corston, Lincolnshire
- Costa, Lincolnshire
- Coubister, Lincolnshire
- Crockness, Lincolnshire
- Crookness, Lincolnshire
- Croval, Lincolnshire
- Cursiter, Lincolnshire
- Cusbay, Lincolnshire