| Orthez to Cologno al Serio | 535.18 mi (861.29 km) |
| Orthez to Cologno Monzese | 514.44 mi (827.91 km) |
| Orthez to Colorno | 560.88 mi (902.65 km) |
| Orthez to Comacchio | 647.54 mi (1,042.12 km) |
| Orthez to Comiso | 926.17 mi (1,490.53 km) |
| Orthez to Como | 509.98 mi (820.74 km) |
| Orthez to Concordia Sagittaria | 687.10 mi (1,105.78 km) |
| Orthez to Concorezzo | 518.07 mi (833.76 km) |
| Orthez to Conegliano | 662.14 mi (1,065.61 km) |
| Orthez to Conselice | 629.80 mi (1,013.56 km) |
| Orthez to Conselve | 635.11 mi (1,022.11 km) |
| Orthez to Conversano | 929.69 mi (1,496.20 km) |
| Orthez to Copertino | 991.17 mi (1,595.13 km) |
| Orthez to Copparo | 631.30 mi (1,015.98 km) |
| Orthez to Corato | 890.30 mi (1,432.79 km) |
