| Gig Harbor to Cividale del Friuli | 5,455.02 mi (8,779.01 km) |
| Gig Harbor to Civita Castellana | 5,660.95 mi (9,110.42 km) |
| Gig Harbor to Civitanova Marche | 5,632.15 mi (9,064.08 km) |
| Gig Harbor to Civitavecchia | 5,657.60 mi (9,105.02 km) |
| Gig Harbor to Civitella in Val di Chiana | 5,576.23 mi (8,974.08 km) |
| Gig Harbor to Clusone | 5,385.24 mi (8,666.71 km) |
| Gig Harbor to Coccaglio | 5,404.96 mi (8,698.44 km) |
| Gig Harbor to Codigoro | 5,500.67 mi (8,852.47 km) |
| Gig Harbor to Codogno | 5,422.14 mi (8,726.09 km) |
| Gig Harbor to Codroipo | 5,452.86 mi (8,775.53 km) |
| Gig Harbor to Cogoleto | 5,440.98 mi (8,756.41 km) |
| Gig Harbor to Colle di Val d'Elsa | 5,562.77 mi (8,952.42 km) |
| Gig Harbor to Colle Salvetti | 5,534.53 mi (8,906.96 km) |
| Gig Harbor to Collecchio | 5,459.26 mi (8,785.83 km) |
| Gig Harbor to Colleferro | 5,710.02 mi (9,189.40 km) |
