| Peoria to Cividale del Friuli | 4,795.39 mi (7,717.43 km) |
| Peoria to Civita Castellana | 4,918.23 mi (7,915.12 km) |
| Peoria to Civitanova Marche | 4,927.22 mi (7,929.59 km) |
| Peoria to Civitavecchia | 4,902.15 mi (7,889.25 km) |
| Peoria to Civitella in Val di Chiana | 4,842.78 mi (7,793.70 km) |
| Peoria to Clusone | 4,670.92 mi (7,517.12 km) |
| Peoria to Coccaglio | 4,685.07 mi (7,539.89 km) |
| Peoria to Codigoro | 4,798.60 mi (7,722.60 km) |
| Peoria to Codogno | 4,690.83 mi (7,549.16 km) |
| Peoria to Codroipo | 4,784.02 mi (7,699.13 km) |
| Peoria to Cogoleto | 4,680.17 mi (7,532.01 km) |
| Peoria to Colle di Val d'Elsa | 4,820.31 mi (7,757.53 km) |
| Peoria to Colle Salvetti | 4,786.02 mi (7,702.36 km) |
| Peoria to Collecchio | 4,727.78 mi (7,608.63 km) |
| Peoria to Colleferro | 4,966.85 mi (7,993.37 km) |
