| Poplar Bluff to Cadiz | 4,492.50 mi (7,229.99 km) |
| Poplar Bluff to Calafell | 4,703.58 mi (7,569.69 km) |
| Poplar Bluff to Calahorra | 4,507.44 mi (7,254.03 km) |
| Poplar Bluff to Calasparra | 4,656.00 mi (7,493.10 km) |
| Poplar Bluff to Calatayud | 4,553.76 mi (7,328.58 km) |
| Poplar Bluff to Caldas de Montbuy | 4,715.19 mi (7,588.36 km) |
| Poplar Bluff to Caldas de Reyes | 4,193.45 mi (6,748.71 km) |
| Poplar Bluff to Calella | 4,737.82 mi (7,624.79 km) |
| Poplar Bluff to Callosa de Segura | 4,698.31 mi (7,561.20 km) |
| Poplar Bluff to Calpe | 4,723.25 mi (7,601.33 km) |
| Poplar Bluff to Calvia | 4,803.81 mi (7,730.98 km) |
| Poplar Bluff to Camas | 4,476.91 mi (7,204.89 km) |
| Poplar Bluff to Cambados | 4,188.92 mi (6,741.42 km) |
| Poplar Bluff to Cambre | 4,188.01 mi (6,739.96 km) |
| Poplar Bluff to Cambrils | 4,685.16 mi (7,540.04 km) |
