| Portlethen to Cortona | 1,134.20 mi (1,825.32 km) |
| Portlethen to Cosenza | 1,480.59 mi (2,382.78 km) |
| Portlethen to Cossato | 907.95 mi (1,461.20 km) |
| Portlethen to Costa Volpino | 934.71 mi (1,504.28 km) |
| Portlethen to Creazzo | 986.24 mi (1,587.20 km) |
| Portlethen to Crema | 953.20 mi (1,534.02 km) |
| Portlethen to Cremona | 975.42 mi (1,569.78 km) |
| Portlethen to Crevalcore | 1,026.83 mi (1,652.53 km) |
| Portlethen to Crispiano | 1,427.81 mi (2,297.84 km) |
| Portlethen to Crosia | 1,477.51 mi (2,377.83 km) |
| Portlethen to Crotone | 1,515.79 mi (2,439.44 km) |
| Portlethen to Cuneo | 970.71 mi (1,562.21 km) |
| Portlethen to Cuorgne | 908.63 mi (1,462.29 km) |
| Portlethen to Cusano Milanino | 930.76 mi (1,497.92 km) |
| Portlethen to Cutro | 1,515.42 mi (2,438.83 km) |
