| Washougal to Cernavoda | 5,964.73 mi (9,599.31 km) |
| Washougal to Chitila | 5,917.54 mi (9,523.36 km) |
| Washougal to Cisnadie | 5,806.72 mi (9,345.01 km) |
| Washougal to Cluj-Napoca | 5,729.10 mi (9,220.10 km) |
| Washougal to Codlea | 5,831.55 mi (9,384.97 km) |
| Washougal to Comanesti | 5,802.34 mi (9,337.97 km) |
| Washougal to Comarnic | 5,863.59 mi (9,436.53 km) |
| Washougal to Constanta | 5,986.04 mi (9,633.61 km) |
| Washougal to Corabia | 5,937.00 mi (9,554.68 km) |
| Washougal to Costesti | 5,886.90 mi (9,474.05 km) |
| Washougal to Covasna | 5,835.03 mi (9,390.58 km) |
| Washougal to Craiova | 5,888.14 mi (9,476.04 km) |
| Washougal to Cristuru Secuiesc | 5,786.09 mi (9,311.81 km) |
| Washougal to Cugir | 5,783.52 mi (9,307.67 km) |
| Washougal to Cumpana | 5,988.24 mi (9,637.14 km) |
