| Spencer to Coudekerque-Branche | 4,275.14 mi (6,880.17 km) |
| Spencer to Coueron | 4,271.33 mi (6,874.04 km) |
| Spencer to Coulommiers | 4,388.98 mi (7,063.38 km) |
| Spencer to Courbevoic | 4,355.09 mi (7,008.84 km) |
| Spencer to Courcouronnes | 4,372.68 mi (7,037.15 km) |
| Spencer to Cournon-d'Auvergne | 4,520.60 mi (7,275.21 km) |
| Spencer to Courrieres | 4,317.57 mi (6,948.45 km) |
| Spencer to Coutras | 4,420.25 mi (7,113.71 km) |
| Spencer to Couzeix | 4,439.64 mi (7,144.91 km) |
| Spencer to Cran-Gevrier | 4,623.70 mi (7,441.12 km) |
| Spencer to Craponne | 4,578.57 mi (7,368.49 km) |
| Spencer to Creil | 4,349.01 mi (6,999.05 km) |
| Spencer to Crepy-en-Valois | 4,364.76 mi (7,024.40 km) |
| Spencer to Crest | 4,633.70 mi (7,457.22 km) |
| Spencer to Creteil | 4,367.14 mi (7,028.23 km) |
