| Penafiel to Cay | 2,073.82 mi (3,337.50 km) |
| Penafiel to Caybasi | 2,334.71 mi (3,757.35 km) |
| Penafiel to Caycuma | 2,075.14 mi (3,339.61 km) |
| Penafiel to Cayeli | 2,514.86 mi (4,047.27 km) |
| Penafiel to Cayiralan | 2,295.32 mi (3,693.96 km) |
| Penafiel to Cayirhan | 2,077.85 mi (3,343.98 km) |
| Penafiel to Cayirli | 2,507.20 mi (4,034.94 km) |
| Penafiel to Cayirova | 1,947.83 mi (3,134.74 km) |
| Penafiel to Caykara | 2,497.71 mi (4,019.67 km) |
| Penafiel to Cekerek | 2,272.10 mi (3,656.59 km) |
| Penafiel to Cekme | 1,934.57 mi (3,113.39 km) |
| Penafiel to Celtik | 2,104.11 mi (3,386.25 km) |
| Penafiel to Cerkes | 2,126.48 mi (3,422.24 km) |
| Penafiel to Cerkezkoy | 1,871.04 mi (3,011.14 km) |
| Penafiel to Cermik | 2,515.59 mi (4,048.46 km) |
