| Kennewick to Cernavoda | 5,868.58 mi (9,444.57 km) |
| Kennewick to Chitila | 5,818.56 mi (9,364.07 km) |
| Kennewick to Cisnadie | 5,706.20 mi (9,183.24 km) |
| Kennewick to Cluj-Napoca | 5,628.73 mi (9,058.56 km) |
| Kennewick to Codlea | 5,732.80 mi (9,226.06 km) |
| Kennewick to Comanesti | 5,705.62 mi (9,182.31 km) |
| Kennewick to Comarnic | 5,764.73 mi (9,277.44 km) |
| Kennewick to Constanta | 5,890.64 mi (9,480.08 km) |
| Kennewick to Corabia | 5,835.31 mi (9,391.02 km) |
| Kennewick to Costesti | 5,786.50 mi (9,312.47 km) |
| Kennewick to Covasna | 5,737.46 mi (9,233.54 km) |
| Kennewick to Craiova | 5,785.96 mi (9,311.61 km) |
| Kennewick to Cristuru Secuiesc | 5,687.28 mi (9,152.80 km) |
| Kennewick to Cugir | 5,682.03 mi (9,144.35 km) |
| Kennewick to Cumpana | 5,892.68 mi (9,483.35 km) |
