| Portlethen to Cividale del Friuli | 1,005.25 mi (1,617.79 km) |
| Portlethen to Civita Castellana | 1,204.10 mi (1,937.81 km) |
| Portlethen to Civitanova Marche | 1,175.65 mi (1,892.03 km) |
| Portlethen to Civitavecchia | 1,202.27 mi (1,934.87 km) |
| Portlethen to Civitella in Val di Chiana | 1,119.21 mi (1,801.19 km) |
| Portlethen to Clusone | 928.01 mi (1,493.50 km) |
| Portlethen to Coccaglio | 948.01 mi (1,525.67 km) |
| Portlethen to Codigoro | 1,043.59 mi (1,679.49 km) |
| Portlethen to Codogno | 966.34 mi (1,555.17 km) |
| Portlethen to Codroipo | 1,000.53 mi (1,610.19 km) |
| Portlethen to Cogoleto | 991.63 mi (1,595.87 km) |
| Portlethen to Colle di Val d'Elsa | 1,106.78 mi (1,781.19 km) |
| Portlethen to Colle Salvetti | 1,079.87 mi (1,737.89 km) |
| Portlethen to Collecchio | 1,003.03 mi (1,614.21 km) |
| Portlethen to Colleferro | 1,252.91 mi (2,016.37 km) |
