| Circleville to Cividale del Friuli | 4,588.80 mi (7,384.96 km) |
| Circleville to Civita Castellana | 4,692.61 mi (7,552.03 km) |
| Circleville to Civitanova Marche | 4,708.95 mi (7,578.33 km) |
| Circleville to Civitavecchia | 4,674.30 mi (7,522.56 km) |
| Circleville to Civitella in Val di Chiana | 4,620.39 mi (7,435.81 km) |
| Circleville to Clusone | 4,455.67 mi (7,170.71 km) |
| Circleville to Coccaglio | 4,468.41 mi (7,191.22 km) |
| Circleville to Codigoro | 4,583.35 mi (7,376.19 km) |
| Circleville to Codogno | 4,471.75 mi (7,196.58 km) |
| Circleville to Codroipo | 4,575.79 mi (7,364.02 km) |
| Circleville to Cogoleto | 4,455.33 mi (7,170.16 km) |
| Circleville to Colle di Val d'Elsa | 4,596.53 mi (7,397.40 km) |
| Circleville to Colle Salvetti | 4,561.67 mi (7,341.30 km) |
| Circleville to Collecchio | 4,507.95 mi (7,254.85 km) |
| Circleville to Colleferro | 4,740.27 mi (7,628.73 km) |
