| Gurnee to Castrovillari | 5,041.55 mi (8,113.60 km) |
| Gurnee to Catania | 5,102.69 mi (8,211.99 km) |
| Gurnee to Catanzaro | 5,099.63 mi (8,207.06 km) |
| Gurnee to Cattolica | 4,720.59 mi (7,597.06 km) |
| Gurnee to Cava de' Tirreni | 4,941.83 mi (7,953.10 km) |
| Gurnee to Cavallino | 5,097.19 mi (8,203.13 km) |
| Gurnee to Cavarzere | 4,645.33 mi (7,475.93 km) |
| Gurnee to Cave | 4,821.94 mi (7,760.16 km) |
| Gurnee to Cavriago | 4,603.70 mi (7,408.93 km) |
| Gurnee to Cavriglia | 4,690.98 mi (7,549.40 km) |
| Gurnee to Cazzago San Martino | 4,547.31 mi (7,318.18 km) |
| Gurnee to Ceccano | 4,848.85 mi (7,803.48 km) |
| Gurnee to Cecina | 4,661.19 mi (7,501.47 km) |
| Gurnee to Cefalu | 5,034.30 mi (8,101.92 km) |
| Gurnee to Ceglie Messapico | 5,054.46 mi (8,134.37 km) |
