| Monaghan to Coudekerque-Branche | 450.80 mi (725.50 km) |
| Monaghan to Coueron | 537.00 mi (864.21 km) |
| Monaghan to Coulommiers | 571.43 mi (919.63 km) |
| Monaghan to Courbevoic | 540.99 mi (870.64 km) |
| Monaghan to Courcouronnes | 560.31 mi (901.73 km) |
| Monaghan to Cournon-d'Auvergne | 739.63 mi (1,190.32 km) |
| Monaghan to Courrieres | 493.04 mi (793.48 km) |
| Monaghan to Coutras | 705.18 mi (1,134.87 km) |
| Monaghan to Couzeix | 682.49 mi (1,098.36 km) |
| Monaghan to Cran-Gevrier | 815.18 mi (1,311.90 km) |
| Monaghan to Craponne | 782.14 mi (1,258.73 km) |
| Monaghan to Creil | 530.60 mi (853.91 km) |
| Monaghan to Crepy-en-Valois | 544.93 mi (876.98 km) |
| Monaghan to Crest | 847.55 mi (1,364.00 km) |
| Monaghan to Creteil | 552.90 mi (889.81 km) |
