| Corvallis to Cividale del Friuli | 5,637.95 mi (9,073.41 km) |
| Corvallis to Civita Castellana | 5,840.88 mi (9,399.99 km) |
| Corvallis to Civitanova Marche | 5,813.73 mi (9,356.29 km) |
| Corvallis to Civitavecchia | 5,836.90 mi (9,393.58 km) |
| Corvallis to Civitella in Val di Chiana | 5,756.30 mi (9,263.88 km) |
| Corvallis to Clusone | 5,565.53 mi (8,956.86 km) |
| Corvallis to Coccaglio | 5,585.06 mi (8,988.28 km) |
| Corvallis to Codigoro | 5,681.92 mi (9,144.17 km) |
| Corvallis to Codogno | 5,601.76 mi (9,015.16 km) |
| Corvallis to Codroipo | 5,635.40 mi (9,069.31 km) |
| Corvallis to Cogoleto | 5,619.22 mi (9,043.27 km) |
| Corvallis to Colle di Val d'Elsa | 5,742.37 mi (9,241.44 km) |
| Corvallis to Colle Salvetti | 5,713.73 mi (9,195.35 km) |
| Corvallis to Collecchio | 5,639.01 mi (9,075.10 km) |
| Corvallis to Colleferro | 5,890.10 mi (9,479.20 km) |
