| Huber Heights to Cascais | 3,870.91 mi (6,229.64 km) |
| Huber Heights to Castelo Branco | 3,927.62 mi (6,320.89 km) |
| Huber Heights to Castro Daire | 3,873.84 mi (6,234.34 km) |
| Huber Heights to Celorico de Basto | 3,856.13 mi (6,205.85 km) |
| Huber Heights to Chamusca | 3,895.43 mi (6,269.09 km) |
| Huber Heights to Chaves | 3,870.03 mi (6,228.21 km) |
| Huber Heights to Cinfaes | 3,858.41 mi (6,209.52 km) |
| Huber Heights to Coimbra | 3,871.45 mi (6,230.50 km) |
| Huber Heights to Condeixa-a-Nova | 3,870.99 mi (6,229.75 km) |
| Huber Heights to Corroios | 3,886.38 mi (6,254.52 km) |
| Huber Heights to Coruche | 3,905.62 mi (6,285.48 km) |
| Huber Heights to Costa de Caparica | 3,881.36 mi (6,246.45 km) |
| Huber Heights to Covilha | 3,913.11 mi (6,297.54 km) |
| Huber Heights to Eiras | 3,870.75 mi (6,229.37 km) |
| Huber Heights to Elvas | 3,974.27 mi (6,395.98 km) |
