| Gurnee to Cognac | 4,128.17 mi (6,643.64 km) |
| Gurnee to Cogolin | 4,503.13 mi (7,247.09 km) |
| Gurnee to Colmar | 4,344.30 mi (6,991.47 km) |
| Gurnee to Colombes | 4,116.25 mi (6,624.46 km) |
| Gurnee to Colomiers | 4,274.10 mi (6,878.50 km) |
| Gurnee to Combs-la-Ville | 4,137.31 mi (6,658.35 km) |
| Gurnee to Comines | 4,080.18 mi (6,566.42 km) |
| Gurnee to Compiegne | 4,120.81 mi (6,631.81 km) |
| Gurnee to Concarneau | 3,906.01 mi (6,286.11 km) |
| Gurnee to Conde-sur-l'Escaut | 4,113.16 mi (6,619.50 km) |
| Gurnee to Conflans-Sainte-Honorine | 4,107.57 mi (6,610.50 km) |
| Gurnee to Corbas | 4,341.85 mi (6,987.53 km) |
| Gurnee to Corbeil-Essonnes | 4,136.28 mi (6,656.70 km) |
| Gurnee to Cormeilles-en-Parisis | 4,112.48 mi (6,618.40 km) |
| Gurnee to Cosne sur Loire | 4,197.44 mi (6,755.13 km) |
