| Gig Harbor to Cortona | 5,591.41 mi (8,998.51 km) |
| Gig Harbor to Cosenza | 5,937.60 mi (9,555.65 km) |
| Gig Harbor to Cossato | 5,359.39 mi (8,625.10 km) |
| Gig Harbor to Costa Volpino | 5,392.04 mi (8,677.64 km) |
| Gig Harbor to Creazzo | 5,443.38 mi (8,760.28 km) |
| Gig Harbor to Crema | 5,409.33 mi (8,705.47 km) |
| Gig Harbor to Cremona | 5,431.89 mi (8,741.78 km) |
| Gig Harbor to Crevalcore | 5,484.26 mi (8,826.06 km) |
| Gig Harbor to Crispiano | 5,880.14 mi (9,463.18 km) |
| Gig Harbor to Crosia | 5,933.37 mi (9,548.83 km) |
| Gig Harbor to Crotone | 5,971.59 mi (9,610.35 km) |
| Gig Harbor to Cuneo | 5,412.97 mi (8,711.33 km) |
| Gig Harbor to Cuorgne | 5,356.56 mi (8,620.55 km) |
| Gig Harbor to Cusano Milanino | 5,386.00 mi (8,667.93 km) |
| Gig Harbor to Cutro | 5,971.56 mi (9,610.30 km) |
