| Grain Valley to Collegno | 4,871.33 mi (7,839.65 km) |
| Grain Valley to Cologno al Serio | 4,933.25 mi (7,939.29 km) |
| Grain Valley to Cologno Monzese | 4,919.27 mi (7,916.80 km) |
| Grain Valley to Colorno | 4,986.97 mi (8,025.75 km) |
| Grain Valley to Comacchio | 5,066.14 mi (8,153.16 km) |
| Grain Valley to Comiso | 5,508.96 mi (8,865.81 km) |
| Grain Valley to Como | 4,900.15 mi (7,886.03 km) |
| Grain Valley to Concordia Sagittaria | 5,044.99 mi (8,119.13 km) |
| Grain Valley to Concorezzo | 4,918.95 mi (7,916.28 km) |
| Grain Valley to Conegliano | 5,019.07 mi (8,077.41 km) |
| Grain Valley to Conselice | 5,060.67 mi (8,144.36 km) |
| Grain Valley to Conselve | 5,031.00 mi (8,096.61 km) |
| Grain Valley to Conversano | 5,423.70 mi (8,728.61 km) |
| Grain Valley to Copertino | 5,492.48 mi (8,839.29 km) |
| Grain Valley to Copparo | 5,044.10 mi (8,117.70 km) |
