| Southborough to Cavdir | 1,732.27 mi (2,787.82 km) |
| Southborough to Cay | 1,720.16 mi (2,768.33 km) |
| Southborough to Caybasi | 1,874.45 mi (3,016.63 km) |
| Southborough to Caycuma | 1,644.28 mi (2,646.22 km) |
| Southborough to Cayeli | 2,028.53 mi (3,264.61 km) |
| Southborough to Cayiralan | 1,882.43 mi (3,029.48 km) |
| Southborough to Cayirhan | 1,681.94 mi (2,706.82 km) |
| Southborough to Cayirli | 2,049.56 mi (3,298.45 km) |
| Southborough to Cayirova | 1,555.00 mi (2,502.53 km) |
| Southborough to Caykara | 2,020.96 mi (3,252.42 km) |
| Southborough to Cekerek | 1,844.18 mi (2,967.92 km) |
| Southborough to Cekme | 1,538.09 mi (2,475.31 km) |
| Southborough to Celtik | 1,732.61 mi (2,788.36 km) |
| Southborough to Cerkes | 1,703.39 mi (2,741.34 km) |
| Southborough to Cerkezkoy | 1,478.82 mi (2,379.93 km) |
