| Wallingford to Collegno | 601.33 mi (967.76 km) |
| Wallingford to Cologno al Serio | 644.97 mi (1,037.99 km) |
| Wallingford to Cologno Monzese | 633.10 mi (1,018.88 km) |
| Wallingford to Colorno | 700.17 mi (1,126.82 km) |
| Wallingford to Comacchio | 774.91 mi (1,247.11 km) |
| Wallingford to Comiso | 1,270.83 mi (2,045.21 km) |
| Wallingford to Como | 612.80 mi (986.21 km) |
| Wallingford to Concordia Sagittaria | 752.29 mi (1,210.70 km) |
| Wallingford to Concorezzo | 632.09 mi (1,017.25 km) |
| Wallingford to Conegliano | 726.15 mi (1,168.62 km) |
| Wallingford to Conselice | 771.08 mi (1,240.93 km) |
| Wallingford to Conselve | 738.78 mi (1,188.95 km) |
| Wallingford to Conversano | 1,133.89 mi (1,824.81 km) |
| Wallingford to Copertino | 1,202.65 mi (1,935.48 km) |
| Wallingford to Copparo | 752.93 mi (1,211.73 km) |
