| Frankfort to Cividale del Friuli | 4,731.31 mi (7,614.31 km) |
| Frankfort to Civita Castellana | 4,834.57 mi (7,780.49 km) |
| Frankfort to Civitanova Marche | 4,851.20 mi (7,807.25 km) |
| Frankfort to Civitavecchia | 4,816.16 mi (7,750.85 km) |
| Frankfort to Civitella in Val di Chiana | 4,762.50 mi (7,664.50 km) |
| Frankfort to Clusone | 4,598.03 mi (7,399.82 km) |
| Frankfort to Coccaglio | 4,610.73 mi (7,420.26 km) |
| Frankfort to Codigoro | 4,725.70 mi (7,605.27 km) |
| Frankfort to Codogno | 4,613.99 mi (7,425.50 km) |
| Frankfort to Codroipo | 4,718.28 mi (7,593.33 km) |
| Frankfort to Cogoleto | 4,597.36 mi (7,398.73 km) |
| Frankfort to Colle di Val d'Elsa | 4,738.59 mi (7,626.02 km) |
| Frankfort to Colle Salvetti | 4,703.71 mi (7,569.88 km) |
| Frankfort to Collecchio | 4,650.17 mi (7,483.72 km) |
| Frankfort to Colleferro | 4,882.17 mi (7,857.10 km) |
