| Rietberg to Castelo Branco | 1,124.04 mi (1,808.97 km) |
| Rietberg to Castro Daire | 1,079.98 mi (1,738.07 km) |
| Rietberg to Celorico de Basto | 1,057.02 mi (1,701.11 km) |
| Rietberg to Chamusca | 1,181.51 mi (1,901.45 km) |
| Rietberg to Chaves | 1,020.42 mi (1,642.20 km) |
| Rietberg to Cinfaes | 1,076.30 mi (1,732.14 km) |
| Rietberg to Coimbra | 1,133.20 mi (1,823.72 km) |
| Rietberg to Condeixa-a-Nova | 1,140.62 mi (1,835.65 km) |
| Rietberg to Corroios | 1,243.64 mi (2,001.44 km) |
| Rietberg to Coruche | 1,204.51 mi (1,938.47 km) |
| Rietberg to Costa de Caparica | 1,244.77 mi (2,003.26 km) |
| Rietberg to Covilha | 1,098.57 mi (1,767.97 km) |
| Rietberg to Eiras | 1,131.38 mi (1,820.77 km) |
| Rietberg to Elvas | 1,166.07 mi (1,876.60 km) |
| Rietberg to Entroncamento | 1,174.72 mi (1,890.53 km) |
