| Paducah to Cascais | 4,176.20 mi (6,720.95 km) |
| Paducah to Castelo Branco | 4,234.86 mi (6,815.35 km) |
| Paducah to Castro Daire | 4,181.93 mi (6,730.16 km) |
| Paducah to Celorico de Basto | 4,164.62 mi (6,702.30 km) |
| Paducah to Chamusca | 4,201.83 mi (6,762.19 km) |
| Paducah to Chaves | 4,178.95 mi (6,725.37 km) |
| Paducah to Cinfaes | 4,166.62 mi (6,705.52 km) |
| Paducah to Coimbra | 4,178.74 mi (6,725.03 km) |
| Paducah to Condeixa-a-Nova | 4,178.16 mi (6,724.10 km) |
| Paducah to Corroios | 4,191.68 mi (6,745.87 km) |
| Paducah to Coruche | 4,211.58 mi (6,777.88 km) |
| Paducah to Costa de Caparica | 4,186.67 mi (6,737.79 km) |
| Paducah to Covilha | 4,220.79 mi (6,792.71 km) |
| Paducah to Eiras | 4,178.07 mi (6,723.96 km) |
| Paducah to Elvas | 4,280.71 mi (6,889.14 km) |
