| Box Elder to Cognac | 4,643.43 mi (7,472.87 km) |
| Box Elder to Cogolin | 5,006.25 mi (8,056.78 km) |
| Box Elder to Colmar | 4,800.96 mi (7,726.40 km) |
| Box Elder to Colombes | 4,589.47 mi (7,386.04 km) |
| Box Elder to Colomiers | 4,799.88 mi (7,724.67 km) |
| Box Elder to Combs-la-Ville | 4,611.54 mi (7,421.56 km) |
| Box Elder to Comines | 4,531.91 mi (7,293.40 km) |
| Box Elder to Compiegne | 4,586.65 mi (7,381.50 km) |
| Box Elder to Concarneau | 4,416.68 mi (7,107.96 km) |
| Box Elder to Conde-sur-l'Escaut | 4,565.34 mi (7,347.20 km) |
| Box Elder to Conflans-Sainte-Honorine | 4,580.77 mi (7,372.04 km) |
| Box Elder to Corbas | 4,832.45 mi (7,777.08 km) |
| Box Elder to Corbeil-Essonnes | 4,611.41 mi (7,421.35 km) |
| Box Elder to Cormeilles-en-Parisis | 4,585.45 mi (7,379.57 km) |
| Box Elder to Cosne sur Loire | 4,681.83 mi (7,534.68 km) |
