| Preakness to Collegno | 3,959.85 mi (6,372.77 km) |
| Preakness to Cologno al Serio | 4,035.08 mi (6,493.83 km) |
| Preakness to Cologno Monzese | 4,018.84 mi (6,467.70 km) |
| Preakness to Colorno | 4,085.70 mi (6,575.30 km) |
| Preakness to Comacchio | 4,170.51 mi (6,711.78 km) |
| Preakness to Comiso | 4,562.19 mi (7,342.14 km) |
| Preakness to Como | 4,001.56 mi (6,439.88 km) |
| Preakness to Concordia Sagittaria | 4,162.11 mi (6,698.27 km) |
| Preakness to Concorezzo | 4,019.33 mi (6,468.48 km) |
| Preakness to Conegliano | 4,134.86 mi (6,654.42 km) |
| Preakness to Conselice | 4,161.86 mi (6,697.87 km) |
| Preakness to Conselve | 4,138.84 mi (6,660.82 km) |
| Preakness to Conversano | 4,518.86 mi (7,272.41 km) |
| Preakness to Copertino | 4,586.53 mi (7,381.31 km) |
| Preakness to Copparo | 4,148.76 mi (6,676.78 km) |
