| Port Orchard to Collegno | 5,364.09 mi (8,632.67 km) |
| Port Orchard to Cologno al Serio | 5,387.87 mi (8,670.93 km) |
| Port Orchard to Cologno Monzese | 5,380.67 mi (8,659.35 km) |
| Port Orchard to Colorno | 5,443.42 mi (8,760.35 km) |
| Port Orchard to Comacchio | 5,501.10 mi (8,853.17 km) |
| Port Orchard to Comiso | 6,032.69 mi (9,708.67 km) |
| Port Orchard to Como | 5,359.20 mi (8,624.81 km) |
| Port Orchard to Concordia Sagittaria | 5,452.35 mi (8,774.71 km) |
| Port Orchard to Concorezzo | 5,378.48 mi (8,655.82 km) |
| Port Orchard to Conegliano | 5,432.19 mi (8,742.27 km) |
| Port Orchard to Conselice | 5,503.75 mi (8,857.43 km) |
| Port Orchard to Conselve | 5,461.39 mi (8,789.26 km) |
| Port Orchard to Conversano | 5,845.28 mi (9,407.06 km) |
| Port Orchard to Copertino | 5,910.08 mi (9,511.36 km) |
| Port Orchard to Copparo | 5,480.66 mi (8,820.27 km) |
