From Holbeach Drove, Lincolnshire to all cities in Caithness starting with letter C
- Calder Mains, Lincolnshire
- Canisbay, Lincolnshire
- Castle Hill, Lincolnshire
- Castlehill, Lincolnshire
- Castletown, Lincolnshire
- Catchory, Lincolnshire
- Clardon, Lincolnshire
- Clayock, Lincolnshire
- Corsback, Lincolnshire
- Crofts of Benachielt, Lincolnshire
- Crosskirk, Lincolnshire