| Diessen am Ammersee to Civita Castellana | 395.82 mi (637.00 km) |
| Diessen am Ammersee to Civitanova Marche | 345.51 mi (556.04 km) |
| Diessen am Ammersee to Civitavecchia | 405.63 mi (652.80 km) |
| Diessen am Ammersee to Civitella in Val di Chiana | 314.63 mi (506.35 km) |
| Diessen am Ammersee to Clusone | 152.76 mi (245.84 km) |
| Diessen am Ammersee to Coccaglio | 173.24 mi (278.80 km) |
| Diessen am Ammersee to Codigoro | 220.72 mi (355.22 km) |
| Diessen am Ammersee to Codogno | 203.84 mi (328.04 km) |
| Diessen am Ammersee to Codroipo | 163.43 mi (263.01 km) |
| Diessen am Ammersee to Cogoleto | 272.56 mi (438.64 km) |
| Diessen am Ammersee to Colle di Val d'Elsa | 314.38 mi (505.94 km) |
| Diessen am Ammersee to Colle Salvetti | 302.02 mi (486.05 km) |
| Diessen am Ammersee to Collecchio | 225.07 mi (362.22 km) |
| Diessen am Ammersee to Colleferro | 439.64 mi (707.53 km) |
| Diessen am Ammersee to Collegno | 259.80 mi (418.10 km) |
