| Flagstaff to Cividale del Friuli | 5,862.64 mi (9,435.01 km) |
| Flagstaff to Civita Castellana | 6,022.38 mi (9,692.08 km) |
| Flagstaff to Civitanova Marche | 6,016.20 mi (9,682.15 km) |
| Flagstaff to Civitavecchia | 6,011.05 mi (9,673.86 km) |
| Flagstaff to Civitella in Val di Chiana | 5,941.78 mi (9,562.37 km) |
| Flagstaff to Clusone | 5,758.72 mi (9,267.77 km) |
| Flagstaff to Coccaglio | 5,775.45 mi (9,294.69 km) |
| Flagstaff to Codigoro | 5,883.87 mi (9,469.17 km) |
| Flagstaff to Codogno | 5,786.01 mi (9,311.68 km) |
| Flagstaff to Codroipo | 5,854.99 mi (9,422.69 km) |
| Flagstaff to Cogoleto | 5,787.02 mi (9,313.32 km) |
| Flagstaff to Colle di Val d'Elsa | 5,922.50 mi (9,531.35 km) |
| Flagstaff to Colle Salvetti | 5,889.99 mi (9,479.02 km) |
| Flagstaff to Collecchio | 5,823.75 mi (9,372.42 km) |
| Flagstaff to Colleferro | 6,072.09 mi (9,772.08 km) |
