| Poplar Bluff to Cividale del Friuli | 5,019.20 mi (8,077.62 km) |
| Poplar Bluff to Civita Castellana | 5,130.94 mi (8,257.45 km) |
| Poplar Bluff to Civitanova Marche | 5,144.44 mi (8,279.17 km) |
| Poplar Bluff to Civitavecchia | 5,113.44 mi (8,229.29 km) |
| Poplar Bluff to Civitella in Val di Chiana | 5,057.45 mi (8,139.18 km) |
| Poplar Bluff to Clusone | 4,889.73 mi (7,869.26 km) |
| Poplar Bluff to Coccaglio | 4,903.06 mi (7,890.72 km) |
| Poplar Bluff to Codigoro | 5,017.50 mi (8,074.89 km) |
| Poplar Bluff to Codogno | 4,907.39 mi (7,897.67 km) |
| Poplar Bluff to Codroipo | 5,006.91 mi (8,057.84 km) |
| Poplar Bluff to Cogoleto | 4,893.21 mi (7,874.86 km) |
| Poplar Bluff to Colle di Val d'Elsa | 5,034.10 mi (8,101.61 km) |
| Poplar Bluff to Colle Salvetti | 4,999.44 mi (8,045.82 km) |
| Poplar Bluff to Collecchio | 4,943.92 mi (7,956.47 km) |
| Poplar Bluff to Colleferro | 5,178.99 mi (8,334.78 km) |
