| River Ridge to Collegno | 5,133.45 mi (8,261.50 km) |
| River Ridge to Cologno al Serio | 5,208.96 mi (8,383.01 km) |
| River Ridge to Cologno Monzese | 5,192.72 mi (8,356.88 km) |
| River Ridge to Colorno | 5,259.56 mi (8,464.44 km) |
| River Ridge to Comacchio | 5,344.39 mi (8,600.97 km) |
| River Ridge to Comiso | 5,729.88 mi (9,221.35 km) |
| River Ridge to Como | 5,175.44 mi (8,329.06 km) |
| River Ridge to Concordia Sagittaria | 5,335.68 mi (8,586.94 km) |
| River Ridge to Concorezzo | 5,193.21 mi (8,357.66 km) |
| River Ridge to Conegliano | 5,308.47 mi (8,543.16 km) |
| River Ridge to Conselice | 5,335.74 mi (8,587.04 km) |
| River Ridge to Conselve | 5,312.69 mi (8,549.94 km) |
| River Ridge to Conversano | 5,692.46 mi (9,161.13 km) |
| River Ridge to Copertino | 5,760.04 mi (9,269.88 km) |
| River Ridge to Copparo | 5,322.64 mi (8,565.96 km) |
