| Circleville to Collegno | 4,385.67 mi (7,058.06 km) |
| Circleville to Cologno al Serio | 4,456.22 mi (7,171.60 km) |
| Circleville to Cologno Monzese | 4,440.78 mi (7,146.74 km) |
| Circleville to Colorno | 4,508.13 mi (7,255.14 km) |
| Circleville to Comacchio | 4,591.12 mi (7,388.69 km) |
| Circleville to Comiso | 5,001.83 mi (8,049.67 km) |
| Circleville to Como | 4,422.76 mi (7,117.74 km) |
| Circleville to Concordia Sagittaria | 4,577.98 mi (7,367.54 km) |
| Circleville to Concorezzo | 4,440.96 mi (7,147.04 km) |
| Circleville to Conegliano | 4,551.14 mi (7,324.35 km) |
| Circleville to Conselice | 4,583.61 mi (7,376.61 km) |
| Circleville to Conselve | 4,558.08 mi (7,335.51 km) |
| Circleville to Conversano | 4,943.77 mi (7,956.23 km) |
| Circleville to Copertino | 5,012.01 mi (8,066.04 km) |
| Circleville to Copparo | 4,569.20 mi (7,353.41 km) |
