| Poplar Bluff to Cascais | 4,272.20 mi (6,875.44 km) |
| Poplar Bluff to Castelo Branco | 4,329.88 mi (6,968.28 km) |
| Poplar Bluff to Castro Daire | 4,276.42 mi (6,882.24 km) |
| Poplar Bluff to Celorico de Basto | 4,258.84 mi (6,853.93 km) |
| Poplar Bluff to Chamusca | 4,297.31 mi (6,915.85 km) |
| Poplar Bluff to Chaves | 4,272.84 mi (6,876.46 km) |
| Poplar Bluff to Cinfaes | 4,261.03 mi (6,857.47 km) |
| Poplar Bluff to Coimbra | 4,273.74 mi (6,877.91 km) |
| Poplar Bluff to Condeixa-a-Nova | 4,273.22 mi (6,877.08 km) |
| Poplar Bluff to Corroios | 4,287.67 mi (6,900.35 km) |
| Poplar Bluff to Coruche | 4,307.27 mi (6,931.89 km) |
| Poplar Bluff to Costa de Caparica | 4,282.66 mi (6,892.27 km) |
| Poplar Bluff to Covilha | 4,315.55 mi (6,945.21 km) |
| Poplar Bluff to Eiras | 4,273.05 mi (6,876.80 km) |
| Poplar Bluff to Elvas | 4,376.17 mi (7,042.77 km) |
