| Poplar Bluff to Collegno | 4,823.18 mi (7,762.15 km) |
| Poplar Bluff to Cologno al Serio | 4,891.07 mi (7,871.42 km) |
| Poplar Bluff to Cologno Monzese | 4,876.08 mi (7,847.30 km) |
| Poplar Bluff to Colorno | 4,943.62 mi (7,955.99 km) |
| Poplar Bluff to Comacchio | 5,025.46 mi (8,087.70 km) |
| Poplar Bluff to Comiso | 5,445.79 mi (8,764.15 km) |
| Poplar Bluff to Como | 4,857.69 mi (7,817.70 km) |
| Poplar Bluff to Concordia Sagittaria | 5,009.62 mi (8,062.21 km) |
| Poplar Bluff to Concorezzo | 4,876.11 mi (7,847.34 km) |
| Poplar Bluff to Conegliano | 4,983.07 mi (8,019.47 km) |
| Poplar Bluff to Conselice | 5,018.61 mi (8,076.67 km) |
| Poplar Bluff to Conselve | 4,991.69 mi (8,033.35 km) |
| Poplar Bluff to Conversano | 5,380.06 mi (8,658.37 km) |
| Poplar Bluff to Copertino | 5,448.53 mi (8,768.56 km) |
| Poplar Bluff to Copparo | 5,003.48 mi (8,052.32 km) |
