| Poplar Bluff to Carmona | 4,494.11 mi (7,232.57 km) |
| Poplar Bluff to Cartagena | 4,711.71 mi (7,582.77 km) |
| Poplar Bluff to Cartama | 4,567.66 mi (7,350.93 km) |
| Poplar Bluff to Cartaya | 4,426.60 mi (7,123.92 km) |
| Poplar Bluff to Caspe | 4,630.26 mi (7,451.69 km) |
| Poplar Bluff to Cassa de la Selva | 4,737.50 mi (7,624.26 km) |
| Poplar Bluff to Castalla | 4,691.61 mi (7,550.42 km) |
| Poplar Bluff to Castellbisbal | 4,712.40 mi (7,583.87 km) |
| Poplar Bluff to Castelldefels | 4,719.05 mi (7,594.57 km) |
| Poplar Bluff to Castello de Ampurias | 4,733.30 mi (7,617.51 km) |
| Poplar Bluff to Castellon de la Plana | 4,673.13 mi (7,520.68 km) |
| Poplar Bluff to Castilleja de la Cuesta | 4,476.71 mi (7,204.56 km) |
| Poplar Bluff to Catarroja | 4,676.08 mi (7,525.42 km) |
| Poplar Bluff to Catral | 4,700.53 mi (7,564.78 km) |
| Poplar Bluff to Caudete | 4,673.07 mi (7,520.58 km) |
