| Poplar Bluff to Cassina de' Pecchi | 4,880.11 mi (7,853.78 km) |
| Poplar Bluff to Cassino | 5,222.49 mi (8,404.79 km) |
| Poplar Bluff to Castagneto Carducci | 5,021.20 mi (8,080.85 km) |
| Poplar Bluff to Castano Primo | 4,854.51 mi (7,812.58 km) |
| Poplar Bluff to Castel Bolognese | 5,025.17 mi (8,087.23 km) |
| Poplar Bluff to Castel Gandolfo | 5,163.24 mi (8,309.43 km) |
| Poplar Bluff to Castel Goffredo | 4,933.27 mi (7,939.33 km) |
| Poplar Bluff to Castel Maggiore | 4,997.76 mi (8,043.12 km) |
| Poplar Bluff to Castel Mella | 4,912.41 mi (7,905.75 km) |
| Poplar Bluff to Castel San Giorgio | 5,288.31 mi (8,510.72 km) |
| Poplar Bluff to Castel San Giovanni | 4,900.51 mi (7,886.62 km) |
| Poplar Bluff to Castel San Pietro Terme | 5,013.10 mi (8,067.80 km) |
| Poplar Bluff to Castel Volturno | 5,244.58 mi (8,440.33 km) |
| Poplar Bluff to Castelbuono | 5,382.52 mi (8,662.34 km) |
| Poplar Bluff to Casteldaccia | 5,353.10 mi (8,614.99 km) |
