| McKeesport to Cognac | 3,864.66 mi (6,219.56 km) |
| McKeesport to Cogolin | 4,242.38 mi (6,827.46 km) |
| McKeesport to Colmar | 4,115.51 mi (6,623.28 km) |
| McKeesport to Colombes | 3,880.36 mi (6,244.84 km) |
| McKeesport to Colomiers | 4,001.70 mi (6,440.11 km) |
| McKeesport to Combs-la-Ville | 3,900.43 mi (6,277.14 km) |
| McKeesport to Comines | 3,858.80 mi (6,210.14 km) |
| McKeesport to Compiegne | 3,889.64 mi (6,259.77 km) |
| McKeesport to Concarneau | 3,648.83 mi (5,872.23 km) |
| McKeesport to Conde-sur-l'Escaut | 3,890.95 mi (6,261.88 km) |
| McKeesport to Conflans-Sainte-Honorine | 3,871.84 mi (6,231.13 km) |
| McKeesport to Corbas | 4,091.33 mi (6,584.36 km) |
| McKeesport to Corbeil-Essonnes | 3,898.84 mi (6,274.57 km) |
| McKeesport to Cormeilles-en-Parisis | 3,876.82 mi (6,239.14 km) |
| McKeesport to Cosne sur Loire | 3,953.05 mi (6,361.83 km) |
