| Port Angeles to Cividale del Friuli | 5,427.49 mi (8,734.70 km) |
| Port Angeles to Civita Castellana | 5,636.10 mi (9,070.42 km) |
| Port Angeles to Civitanova Marche | 5,605.85 mi (9,021.74 km) |
| Port Angeles to Civitavecchia | 5,633.28 mi (9,065.89 km) |
| Port Angeles to Civitella in Val di Chiana | 5,551.27 mi (8,933.91 km) |
| Port Angeles to Clusone | 5,360.15 mi (8,626.32 km) |
| Port Angeles to Coccaglio | 5,380.02 mi (8,658.30 km) |
| Port Angeles to Codigoro | 5,474.68 mi (8,810.65 km) |
| Port Angeles to Codogno | 5,397.61 mi (8,686.62 km) |
| Port Angeles to Codroipo | 5,425.70 mi (8,731.82 km) |
| Port Angeles to Cogoleto | 5,417.61 mi (8,718.81 km) |
| Port Angeles to Colle di Val d'Elsa | 5,538.23 mi (8,912.92 km) |
| Port Angeles to Colle Salvetti | 5,510.33 mi (8,868.02 km) |
| Port Angeles to Collecchio | 5,434.61 mi (8,746.16 km) |
| Port Angeles to Colleferro | 5,685.03 mi (9,149.16 km) |
