| Royston to Cavdir | 1,767.63 mi (2,844.72 km) |
| Royston to Cay | 1,751.69 mi (2,819.08 km) |
| Royston to Caybasi | 1,895.20 mi (3,050.04 km) |
| Royston to Caycuma | 1,669.46 mi (2,686.74 km) |
| Royston to Cayeli | 2,045.76 mi (3,292.33 km) |
| Royston to Cayiralan | 1,907.71 mi (3,070.17 km) |
| Royston to Cayirhan | 1,710.09 mi (2,752.12 km) |
| Royston to Cayirli | 2,069.62 mi (3,330.74 km) |
| Royston to Cayirova | 1,584.40 mi (2,549.85 km) |
| Royston to Caykara | 2,039.22 mi (3,281.81 km) |
| Royston to Cekerek | 1,868.28 mi (3,006.71 km) |
| Royston to Cekme | 1,567.30 mi (2,522.33 km) |
| Royston to Celtik | 1,762.54 mi (2,836.53 km) |
| Royston to Cerkes | 1,728.88 mi (2,782.36 km) |
| Royston to Cerkezkoy | 1,508.93 mi (2,428.39 km) |
