| Garden Grove to Cividale del Friuli | 6,141.12 mi (9,883.17 km) |
| Garden Grove to Civita Castellana | 6,313.69 mi (10,160.91 km) |
| Garden Grove to Civitanova Marche | 6,301.74 mi (10,141.68 km) |
| Garden Grove to Civitavecchia | 6,304.28 mi (10,145.76 km) |
| Garden Grove to Civitella in Val di Chiana | 6,231.63 mi (10,028.84 km) |
| Garden Grove to Clusone | 6,045.57 mi (9,729.40 km) |
| Garden Grove to Coccaglio | 6,063.15 mi (9,757.69 km) |
| Garden Grove to Codigoro | 6,168.91 mi (9,927.90 km) |
| Garden Grove to Codogno | 6,075.43 mi (9,777.46 km) |
| Garden Grove to Codroipo | 6,134.90 mi (9,873.16 km) |
| Garden Grove to Cogoleto | 6,080.85 mi (9,786.18 km) |
| Garden Grove to Colle di Val d'Elsa | 6,213.70 mi (9,999.99 km) |
| Garden Grove to Colle Salvetti | 6,182.07 mi (9,949.07 km) |
| Garden Grove to Collecchio | 6,113.22 mi (9,838.28 km) |
| Garden Grove to Colleferro | 6,363.51 mi (10,241.08 km) |
