| Port Arthur to Cortona | 5,549.71 mi (8,931.39 km) |
| Port Arthur to Cosenza | 5,886.18 mi (9,472.89 km) |
| Port Arthur to Cossato | 5,306.70 mi (8,540.31 km) |
| Port Arthur to Costa Volpino | 5,378.33 mi (8,655.59 km) |
| Port Arthur to Creazzo | 5,446.16 mi (8,764.75 km) |
| Port Arthur to Crema | 5,377.28 mi (8,653.90 km) |
| Port Arthur to Cremona | 5,400.14 mi (8,690.69 km) |
| Port Arthur to Crevalcore | 5,461.79 mi (8,789.90 km) |
| Port Arthur to Crispiano | 5,876.47 mi (9,457.27 km) |
| Port Arthur to Crosia | 5,898.00 mi (9,491.91 km) |
| Port Arthur to Crotone | 5,932.66 mi (9,547.70 km) |
| Port Arthur to Cuneo | 5,320.50 mi (8,562.51 km) |
| Port Arthur to Cuorgne | 5,290.83 mi (8,514.78 km) |
| Port Arthur to Cusano Milanino | 5,349.97 mi (8,609.95 km) |
| Port Arthur to Cutro | 5,928.85 mi (9,541.57 km) |
