| Port Laoise to Cognac | 595.40 mi (958.21 km) |
| Port Laoise to Cogolin | 925.91 mi (1,490.11 km) |
| Port Laoise to Colmar | 726.71 mi (1,169.52 km) |
| Port Laoise to Colombes | 502.58 mi (808.83 km) |
| Port Laoise to Colomiers | 760.89 mi (1,224.53 km) |
| Port Laoise to Combs-la-Ville | 524.44 mi (844.01 km) |
| Port Laoise to Comines | 466.16 mi (750.21 km) |
| Port Laoise to Compiegne | 503.66 mi (810.57 km) |
| Port Laoise to Concarneau | 385.92 mi (621.08 km) |
| Port Laoise to Conde-sur-l'Escaut | 498.34 mi (802.00 km) |
| Port Laoise to Conflans-Sainte-Honorine | 493.87 mi (794.80 km) |
| Port Laoise to Corbas | 746.79 mi (1,201.85 km) |
| Port Laoise to Corbeil-Essonnes | 524.12 mi (843.49 km) |
| Port Laoise to Cormeilles-en-Parisis | 498.63 mi (802.47 km) |
| Port Laoise to Cosne sur Loire | 594.96 mi (957.49 km) |
