| Tefenni to Costessey | 1,733.62 mi (2,789.98 km) |
| Tefenni to Cottingham | 1,828.35 mi (2,942.45 km) |
| Tefenni to Coulsdon | 1,748.49 mi (2,813.92 km) |
| Tefenni to Coventry | 1,830.95 mi (2,946.63 km) |
| Tefenni to Cowdenbeath | 2,004.01 mi (3,225.15 km) |
| Tefenni to Cowes | 1,782.06 mi (2,867.94 km) |
| Tefenni to Cowley | 1,767.50 mi (2,844.52 km) |
| Tefenni to Cowley | 1,801.98 mi (2,900.01 km) |
| Tefenni to Cramlington | 1,910.60 mi (3,074.81 km) |
| Tefenni to Cranleigh | 1,757.49 mi (2,828.40 km) |
| Tefenni to Crawley | 1,745.04 mi (2,808.37 km) |
| Tefenni to Crayford | 1,739.06 mi (2,798.75 km) |
| Tefenni to Crewe | 1,885.02 mi (3,033.64 km) |
| Tefenni to Crigglestone | 1,865.26 mi (3,001.85 km) |
| Tefenni to Cromer | 1,738.78 mi (2,798.30 km) |
